sys/cam/scsi/scsi_cd.c

   1 /*-
   2  * Copyright (c) 1997 Justin T. Gibbs.
   3  * Copyright (c) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Kenneth D. Merry.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions, and the following disclaimer,
  11  *    without modification, immediately at the beginning of the file.
  12  * 2. The name of the author may not be used to endorse or promote products
  13  *    derived from this software without specific prior written permission.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  19  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  */
  27
  28 /*-
  29  * Portions of this driver taken from the original FreeBSD cd driver.
  30  * Written by Julian Elischer (julian@tfs.com)
  31  * for TRW Financial Systems for use under the MACH(2.5) operating system.
  32  *
  33  * TRW Financial Systems, in accordance with their agreement with Carnegie
  34  * Mellon University, makes this software available to CMU to distribute
  35  * or use in any manner that they see fit as long as this message is kept with
  36  * the software. For this reason TFS also grants any other persons or
  37  * organisations permission to use or modify this software.
  38  *
  39  * TFS supplies this software to be publicly redistributed
  40  * on the understanding that TFS is not responsible for the correct
  41  * functioning of this software in any circumstances.
  42  *
  43  * Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
  44  *
  45  *      from: cd.c,v 1.83 1997/05/04 15:24:22 joerg Exp $
  46  */
  47
  48 #include <sys/cdefs.h>
  49 __FBSDID("$FreeBSD$");
  50
  51 #include "opt_cd.h"
  52
  53 #include <sys/param.h>
  54 #include <sys/systm.h>
  55 #include <sys/kernel.h>
  56 #include <sys/bio.h>
  57 #include <sys/conf.h>
  58 #include <sys/disk.h>
  59 #include <sys/malloc.h>
  60 #include <sys/cdio.h>
  61 #include <sys/cdrio.h>
  62 #include <sys/dvdio.h>
  63 #include <sys/devicestat.h>
  64 #include <sys/sysctl.h>
  65 #include <sys/taskqueue.h>
  66 #include <geom/geom_disk.h>
  67
  68 #include <cam/cam.h>
  69 #include <cam/cam_ccb.h>
  70 #include <cam/cam_periph.h>
  71 #include <cam/cam_xpt_periph.h>
  72 #include <cam/cam_queue.h>
  73 #include <cam/cam_sim.h>
  74
  75 #include <cam/scsi/scsi_message.h>
  76 #include <cam/scsi/scsi_da.h>
  77 #include <cam/scsi/scsi_cd.h>
  78
  79 #define LEADOUT         0xaa            /* leadout toc entry */
  80
  81 struct cd_params {
  82         u_int32_t blksize;
  83         u_long    disksize;
  84 };
  85
  86 typedef enum {
  87         CD_Q_NONE               = 0x00,
  88         CD_Q_NO_TOUCH           = 0x01,
  89         CD_Q_BCD_TRACKS         = 0x02,
  90         CD_Q_10_BYTE_ONLY       = 0x10,
  91         CD_Q_RETRY_BUSY         = 0x40
  92 } cd_quirks;
  93
  94 #define CD_Q_BIT_STRING         \
  95         "\020"                  \
  96         "\001NO_TOUCH"          \
  97         "\002BCD_TRACKS"        \
  98         "\00510_BYTE_ONLY"      \
  99         "\007RETRY_BUSY"
 100
 101 typedef enum {
 102         CD_FLAG_INVALID         = 0x0001,
 103         CD_FLAG_NEW_DISC        = 0x0002,
 104         CD_FLAG_DISC_LOCKED     = 0x0004,
 105         CD_FLAG_DISC_REMOVABLE  = 0x0008,
 106         CD_FLAG_SAW_MEDIA       = 0x0010,
 107         CD_FLAG_ACTIVE          = 0x0080,
 108         CD_FLAG_SCHED_ON_COMP   = 0x0100,
 109         CD_FLAG_RETRY_UA        = 0x0200,
 110         CD_FLAG_VALID_MEDIA     = 0x0400,
 111         CD_FLAG_VALID_TOC       = 0x0800,
 112         CD_FLAG_SCTX_INIT       = 0x1000
 113 } cd_flags;
 114
 115 typedef enum {
 116         CD_CCB_PROBE            = 0x01,
 117         CD_CCB_BUFFER_IO        = 0x02,
 118         CD_CCB_TUR              = 0x04,
 119         CD_CCB_TYPE_MASK        = 0x0F,
 120         CD_CCB_RETRY_UA         = 0x10
 121 } cd_ccb_state;
 122
 123 #define ccb_state ppriv_field0
 124 #define ccb_bp ppriv_ptr1
 125
 126 struct cd_tocdata {
 127         struct ioc_toc_header header;
 128         struct cd_toc_entry entries[100];
 129 };
 130
 131 struct cd_toc_single {
 132         struct ioc_toc_header header;
 133         struct cd_toc_entry entry;
 134 };
 135
 136 typedef enum {
 137         CD_STATE_PROBE,
 138         CD_STATE_NORMAL
 139 } cd_state;
 140
 141 struct cd_softc {
 142         cam_pinfo               pinfo;
 143         cd_state                state;
 144         volatile cd_flags       flags;
 145         struct bio_queue_head   bio_queue;
 146         LIST_HEAD(, ccb_hdr)    pending_ccbs;
 147         struct cd_params        params;
 148         union ccb               saved_ccb;
 149         cd_quirks               quirks;
 150         struct cam_periph       *periph;
 151         int                     minimum_command_size;
 152         int                     outstanding_cmds;
 153         int                     tur;
 154         struct task             sysctl_task;
 155         struct sysctl_ctx_list  sysctl_ctx;
 156         struct sysctl_oid       *sysctl_tree;
 157         STAILQ_HEAD(, cd_mode_params)   mode_queue;
 158         struct cd_tocdata       toc;
 159         struct disk             *disk;
 160         struct callout          mediapoll_c;
 161 };
 162
 163 struct cd_page_sizes {
 164         int page;
 165         int page_size;
 166 };
 167
 168 static struct cd_page_sizes cd_page_size_table[] =
 169 {
 170         { AUDIO_PAGE, sizeof(struct cd_audio_page)}
 171 };
 172
 173 struct cd_quirk_entry {
 174         struct scsi_inquiry_pattern inq_pat;
 175         cd_quirks quirks;
 176 };
 177
 178 /*
 179  * NOTE ON 10_BYTE_ONLY quirks:  Any 10_BYTE_ONLY quirks MUST be because
 180  * your device hangs when it gets a 10 byte command.  Adding a quirk just
 181  * to get rid of the informative diagnostic message is not acceptable.  All
 182  * 10_BYTE_ONLY quirks must be documented in full in a PR (which should be
 183  * referenced in a comment along with the quirk) , and must be approved by
 184  * ken@FreeBSD.org.  Any quirks added that don't adhere to this policy may
 185  * be removed until the submitter can explain why they are needed.
 186  * 10_BYTE_ONLY quirks will be removed (as they will no longer be necessary)
 187  * when the CAM_NEW_TRAN_CODE work is done.
 188  */
 189 static struct cd_quirk_entry cd_quirk_table[] =
 190 {
 191         {
 192                 { T_CDROM, SIP_MEDIA_REMOVABLE, "CHINON", "CD-ROM CDS-535","*"},
 193                 /* quirks */ CD_Q_BCD_TRACKS
 194         },
 195         {
 196                 /*
 197                  * VMware returns BUSY status when storage has transient
 198                  * connectivity problems, so better wait.
 199                  */
 200                 {T_CDROM, SIP_MEDIA_REMOVABLE, "NECVMWar", "VMware IDE CDR10", "*"},
 201                 /*quirks*/ CD_Q_RETRY_BUSY
 202         }
 203 };
 204
 205 static  disk_open_t     cdopen;
 206 static  disk_close_t    cdclose;
 207 static  disk_ioctl_t    cdioctl;
 208 static  disk_strategy_t cdstrategy;
 209
 210 static  periph_init_t   cdinit;
 211 static  periph_ctor_t   cdregister;
 212 static  periph_dtor_t   cdcleanup;
 213 static  periph_start_t  cdstart;
 214 static  periph_oninv_t  cdoninvalidate;
 215 static  void            cdasync(void *callback_arg, u_int32_t code,
 216                                 struct cam_path *path, void *arg);
 217 static  int             cdcmdsizesysctl(SYSCTL_HANDLER_ARGS);
 218 static  int             cdrunccb(union ccb *ccb,
 219                                  int (*error_routine)(union ccb *ccb,
 220                                                       u_int32_t cam_flags,
 221                                                       u_int32_t sense_flags),
 222                                  u_int32_t cam_flags, u_int32_t sense_flags);
 223 static  void            cddone(struct cam_periph *periph,
 224                                union ccb *start_ccb);
 225 static  union cd_pages  *cdgetpage(struct cd_mode_params *mode_params);
 226 static  int             cdgetpagesize(int page_num);
 227 static  void            cdprevent(struct cam_periph *periph, int action);
 228 static  int             cdcheckmedia(struct cam_periph *periph);
 229 static  int             cdsize(struct cam_periph *periph, u_int32_t *size);
 230 static  int             cd6byteworkaround(union ccb *ccb);
 231 static  int             cderror(union ccb *ccb, u_int32_t cam_flags,
 232                                 u_int32_t sense_flags);
 233 static  int             cdreadtoc(struct cam_periph *periph, u_int32_t mode,
 234                                   u_int32_t start, u_int8_t *data,
 235                                   u_int32_t len, u_int32_t sense_flags);
 236 static  int             cdgetmode(struct cam_periph *periph,
 237                                   struct cd_mode_params *data, u_int32_t page);
 238 static  int             cdsetmode(struct cam_periph *periph,
 239                                   struct cd_mode_params *data);
 240 static  int             cdplay(struct cam_periph *periph, u_int32_t blk,
 241                                u_int32_t len);
 242 static  int             cdreadsubchannel(struct cam_periph *periph,
 243                                          u_int32_t mode, u_int32_t format,
 244                                          int track,
 245                                          struct cd_sub_channel_info *data,
 246                                          u_int32_t len);
 247 static  int             cdplaymsf(struct cam_periph *periph, u_int32_t startm,
 248                                   u_int32_t starts, u_int32_t startf,
 249                                   u_int32_t endm, u_int32_t ends,
 250                                   u_int32_t endf);
 251 static  int             cdplaytracks(struct cam_periph *periph,
 252                                      u_int32_t strack, u_int32_t sindex,
 253                                      u_int32_t etrack, u_int32_t eindex);
 254 static  int             cdpause(struct cam_periph *periph, u_int32_t go);
 255 static  int             cdstopunit(struct cam_periph *periph, u_int32_t eject);
 256 static  int             cdstartunit(struct cam_periph *periph, int load);
 257 static  int             cdsetspeed(struct cam_periph *periph,
 258                                    u_int32_t rdspeed, u_int32_t wrspeed);
 259 static  int             cdreportkey(struct cam_periph *periph,
 260                                     struct dvd_authinfo *authinfo);
 261 static  int             cdsendkey(struct cam_periph *periph,
 262                                   struct dvd_authinfo *authinfo);
 263 static  int             cdreaddvdstructure(struct cam_periph *periph,
 264                                            struct dvd_struct *dvdstruct);
 265 static timeout_t        cdmediapoll;
 266
 267 static struct periph_driver cddriver =
 268 {
 269         cdinit, "cd",
 270         TAILQ_HEAD_INITIALIZER(cddriver.units), /* generation */ 0
 271 };
 272
 273 PERIPHDRIVER_DECLARE(cd, cddriver);
 274
 275 #ifndef CD_DEFAULT_POLL_PERIOD
 276 #define CD_DEFAULT_POLL_PERIOD  3
 277 #endif
 278 #ifndef CD_DEFAULT_RETRY
 279 #define CD_DEFAULT_RETRY        4
 280 #endif
 281 #ifndef CD_DEFAULT_TIMEOUT
 282 #define CD_DEFAULT_TIMEOUT      30000
 283 #endif
 284
 285 static int cd_poll_period = CD_DEFAULT_POLL_PERIOD;
 286 static int cd_retry_count = CD_DEFAULT_RETRY;
 287 static int cd_timeout = CD_DEFAULT_TIMEOUT;
 288
 289 static SYSCTL_NODE(_kern_cam, OID_AUTO, cd, CTLFLAG_RD, 0, "CAM CDROM driver");
 290 SYSCTL_INT(_kern_cam_cd, OID_AUTO, poll_period, CTLFLAG_RW,
 291            &cd_poll_period, 0, "Media polling period in seconds");
 292 TUNABLE_INT("kern.cam.cd.poll_period", &cd_poll_period);
 293 SYSCTL_INT(_kern_cam_cd, OID_AUTO, retry_count, CTLFLAG_RW,
 294            &cd_retry_count, 0, "Normal I/O retry count");
 295 TUNABLE_INT("kern.cam.cd.retry_count", &cd_retry_count);
 296 SYSCTL_INT(_kern_cam_cd, OID_AUTO, timeout, CTLFLAG_RW,
 297            &cd_timeout, 0, "Timeout, in us, for read operations");
 298 TUNABLE_INT("kern.cam.cd.timeout", &cd_timeout);
 299
 300 static MALLOC_DEFINE(M_SCSICD, "scsi_cd", "scsi_cd buffers");
 301
 302 static void
 303 cdinit(void)
 304 {
 305         cam_status status;
 306
 307         /*
 308          * Install a global async callback.  This callback will
 309          * receive async callbacks like "new device found".
 310          */
 311         status = xpt_register_async(AC_FOUND_DEVICE, cdasync, NULL, NULL);
 312
 313         if (status != CAM_REQ_CMP) {
 314                 printf("cd: Failed to attach master async callback "
 315                        "due to status 0x%x!\n", status);
 316         }
 317 }
 318
 319 /*
 320  * Callback from GEOM, called when it has finished cleaning up its
 321  * resources.
 322  */
 323 static void
 324 cddiskgonecb(struct disk *dp)
 325 {
 326         struct cam_periph *periph;
 327
 328         periph = (struct cam_periph *)dp->d_drv1;
 329         cam_periph_release(periph);
 330 }
 331
 332 static void
 333 cdoninvalidate(struct cam_periph *periph)
 334 {
 335         struct cd_softc *softc;
 336
 337         softc = (struct cd_softc *)periph->softc;
 338
 339         /*
 340          * De-register any async callbacks.
 341          */
 342         xpt_register_async(0, cdasync, periph, periph->path);
 343
 344         softc->flags |= CD_FLAG_INVALID;
 345
 346         /*
 347          * Return all queued I/O with ENXIO.
 348          * XXX Handle any transactions queued to the card
 349          *     with XPT_ABORT_CCB.
 350          */
 351         bioq_flush(&softc->bio_queue, NULL, ENXIO);
 352
 353         disk_gone(softc->disk);
 354 }
 355
 356 static void
 357 cdcleanup(struct cam_periph *periph)
 358 {
 359         struct cd_softc *softc;
 360
 361         softc = (struct cd_softc *)periph->softc;
 362
 363         cam_periph_unlock(periph);
 364         if ((softc->flags & CD_FLAG_SCTX_INIT) != 0
 365             && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
 366                 xpt_print(periph->path, "can't remove sysctl context\n");
 367         }
 368
 369         callout_drain(&softc->mediapoll_c);
 370         disk_destroy(softc->disk);
 371         free(softc, M_DEVBUF);
 372         cam_periph_lock(periph);
 373 }
 374
 375 static void
 376 cdasync(void *callback_arg, u_int32_t code,
 377         struct cam_path *path, void *arg)
 378 {
 379         struct cam_periph *periph;
 380         struct cd_softc *softc;
 381
 382         periph = (struct cam_periph *)callback_arg;
 383         switch (code) {
 384         case AC_FOUND_DEVICE:
 385         {
 386                 struct ccb_getdev *cgd;
 387                 cam_status status;
 388
 389                 cgd = (struct ccb_getdev *)arg;
 390                 if (cgd == NULL)
 391                         break;
 392
 393                 if (cgd->protocol != PROTO_SCSI)
 394                         break;
 395
 396                 if (SID_TYPE(&cgd->inq_data) != T_CDROM
 397                     && SID_TYPE(&cgd->inq_data) != T_WORM)
 398                         break;
 399
 400                 /*
 401                  * Allocate a peripheral instance for
 402                  * this device and start the probe
 403                  * process.
 404                  */
 405                 status = cam_periph_alloc(cdregister, cdoninvalidate,
 406                                           cdcleanup, cdstart,
 407                                           "cd", CAM_PERIPH_BIO,
 408                                           path, cdasync,
 409                                           AC_FOUND_DEVICE, cgd);
 410
 411                 if (status != CAM_REQ_CMP
 412                  && status != CAM_REQ_INPROG)
 413                         printf("cdasync: Unable to attach new device "
 414                                "due to status 0x%x\n", status);
 415
 416                 break;
 417         }
 418         case AC_UNIT_ATTENTION:
 419         {
 420                 union ccb *ccb;
 421                 int error_code, sense_key, asc, ascq;
 422
 423                 softc = (struct cd_softc *)periph->softc;
 424                 ccb = (union ccb *)arg;
 425
 426                 /*
 427                  * Handle all media change UNIT ATTENTIONs except
 428                  * our own, as they will be handled by cderror().
 429                  */
 430                 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
 431                     scsi_extract_sense_ccb(ccb,
 432                      &error_code, &sense_key, &asc, &ascq)) {
 433                         if (asc == 0x28 && ascq == 0x00)
 434                                 disk_media_changed(softc->disk, M_NOWAIT);
 435                 }
 436                 cam_periph_async(periph, code, path, arg);
 437                 break;
 438         }
 439         case AC_SCSI_AEN:
 440                 softc = (struct cd_softc *)periph->softc;
 441                 if (softc->state == CD_STATE_NORMAL && !softc->tur) {
 442                         if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
 443                                 softc->tur = 1;
 444                                 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
 445                         }
 446                 }
 447                 /* FALLTHROUGH */
 448         case AC_SENT_BDR:
 449         case AC_BUS_RESET:
 450         {
 451                 struct ccb_hdr *ccbh;
 452
 453                 softc = (struct cd_softc *)periph->softc;
 454                 /*
 455                  * Don't fail on the expected unit attention
 456                  * that will occur.
 457                  */
 458                 softc->flags |= CD_FLAG_RETRY_UA;
 459                 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
 460                         ccbh->ccb_state |= CD_CCB_RETRY_UA;
 461                 /* FALLTHROUGH */
 462         }
 463         default:
 464                 cam_periph_async(periph, code, path, arg);
 465                 break;
 466         }
 467 }
 468
 469 static void
 470 cdsysctlinit(void *context, int pending)
 471 {
 472         struct cam_periph *periph;
 473         struct cd_softc *softc;
 474         char tmpstr[80], tmpstr2[80];
 475
 476         periph = (struct cam_periph *)context;
 477         if (cam_periph_acquire(periph) != CAM_REQ_CMP)
 478                 return;
 479
 480         softc = (struct cd_softc *)periph->softc;
 481         snprintf(tmpstr, sizeof(tmpstr), "CAM CD unit %d", periph->unit_number);
 482         snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
 483
 484         sysctl_ctx_init(&softc->sysctl_ctx);
 485         softc->flags |= CD_FLAG_SCTX_INIT;
 486         softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
 487                 SYSCTL_STATIC_CHILDREN(_kern_cam_cd), OID_AUTO,
 488                 tmpstr2, CTLFLAG_RD, 0, tmpstr);
 489
 490         if (softc->sysctl_tree == NULL) {
 491                 printf("cdsysctlinit: unable to allocate sysctl tree\n");
 492                 cam_periph_release(periph);
 493                 return;
 494         }
 495
 496         /*
 497          * Now register the sysctl handler, so the user can the value on
 498          * the fly.
 499          */
 500         SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
 501                 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
 502                 &softc->minimum_command_size, 0, cdcmdsizesysctl, "I",
 503                 "Minimum CDB size");
 504
 505         cam_periph_release(periph);
 506 }
 507
 508 /*
 509  * We have a handler function for this so we can check the values when the
 510  * user sets them, instead of every time we look at them.
 511  */
 512 static int
 513 cdcmdsizesysctl(SYSCTL_HANDLER_ARGS)
 514 {
 515         int error, value;
 516
 517         value = *(int *)arg1;
 518
 519         error = sysctl_handle_int(oidp, &value, 0, req);
 520
 521         if ((error != 0)
 522          || (req->newptr == NULL))
 523                 return (error);
 524
 525         /*
 526          * The only real values we can have here are 6 or 10.  I don't
 527          * really forsee having 12 be an option at any time in the future.
 528          * So if the user sets something less than or equal to 6, we'll set
 529          * it to 6.  If he sets something greater than 6, we'll set it to 10.
 530          *
 531          * I suppose we could just return an error here for the wrong values,
 532          * but I don't think it's necessary to do so, as long as we can
 533          * determine the user's intent without too much trouble.
 534          */
 535         if (value < 6)
 536                 value = 6;
 537         else if (value > 6)
 538                 value = 10;
 539
 540         *(int *)arg1 = value;
 541
 542         return (0);
 543 }
 544
 545 static cam_status
 546 cdregister(struct cam_periph *periph, void *arg)
 547 {
 548         struct cd_softc *softc;
 549         struct ccb_pathinq cpi;
 550         struct ccb_getdev *cgd;
 551         char tmpstr[80];
 552         caddr_t match;
 553
 554         cgd = (struct ccb_getdev *)arg;
 555         if (cgd == NULL) {
 556                 printf("cdregister: no getdev CCB, can't register device\n");
 557                 return(CAM_REQ_CMP_ERR);
 558         }
 559
 560         softc = (struct cd_softc *)malloc(sizeof(*softc),M_DEVBUF,
 561             M_NOWAIT | M_ZERO);
 562         if (softc == NULL) {
 563                 printf("cdregister: Unable to probe new device. "
 564                        "Unable to allocate softc\n");
 565                 return(CAM_REQ_CMP_ERR);
 566         }
 567
 568         LIST_INIT(&softc->pending_ccbs);
 569         STAILQ_INIT(&softc->mode_queue);
 570         softc->state = CD_STATE_PROBE;
 571         bioq_init(&softc->bio_queue);
 572         if (SID_IS_REMOVABLE(&cgd->inq_data))
 573                 softc->flags |= CD_FLAG_DISC_REMOVABLE;
 574
 575         periph->softc = softc;
 576         softc->periph = periph;
 577
 578         /*
 579          * See if this device has any quirks.
 580          */
 581         match = cam_quirkmatch((caddr_t)&cgd->inq_data,
 582                                (caddr_t)cd_quirk_table,
 583                                sizeof(cd_quirk_table)/sizeof(*cd_quirk_table),
 584                                sizeof(*cd_quirk_table), scsi_inquiry_match);
 585
 586         if (match != NULL)
 587                 softc->quirks = ((struct cd_quirk_entry *)match)->quirks;
 588         else
 589                 softc->quirks = CD_Q_NONE;
 590
 591         /* Check if the SIM does not want 6 byte commands */
 592         bzero(&cpi, sizeof(cpi));
 593         xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
 594         cpi.ccb_h.func_code = XPT_PATH_INQ;
 595         xpt_action((union ccb *)&cpi);
 596         if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
 597                 softc->quirks |= CD_Q_10_BYTE_ONLY;
 598
 599         TASK_INIT(&softc->sysctl_task, 0, cdsysctlinit, periph);
 600
 601         /* The default is 6 byte commands, unless quirked otherwise */
 602         if (softc->quirks & CD_Q_10_BYTE_ONLY)
 603                 softc->minimum_command_size = 10;
 604         else
 605                 softc->minimum_command_size = 6;
 606
 607         /*
 608          * Refcount and block open attempts until we are setup
 609          * Can't block
 610          */
 611         (void)cam_periph_hold(periph, PRIBIO);
 612         cam_periph_unlock(periph);
 613         /*
 614          * Load the user's default, if any.
 615          */
 616         snprintf(tmpstr, sizeof(tmpstr), "kern.cam.cd.%d.minimum_cmd_size",
 617                  periph->unit_number);
 618         TUNABLE_INT_FETCH(tmpstr, &softc->minimum_command_size);
 619
 620         /* 6 and 10 are the only permissible values here. */
 621         if (softc->minimum_command_size < 6)
 622                 softc->minimum_command_size = 6;
 623         else if (softc->minimum_command_size > 6)
 624                 softc->minimum_command_size = 10;
 625
 626         /*
 627          * We need to register the statistics structure for this device,
 628          * but we don't have the blocksize yet for it.  So, we register
 629          * the structure and indicate that we don't have the blocksize
 630          * yet.  Unlike other SCSI peripheral drivers, we explicitly set
 631          * the device type here to be CDROM, rather than just ORing in
 632          * the device type.  This is because this driver can attach to either
 633          * CDROM or WORM devices, and we want this peripheral driver to
 634          * show up in the devstat list as a CD peripheral driver, not a
 635          * WORM peripheral driver.  WORM drives will also have the WORM
 636          * driver attached to them.
 637          */
 638         softc->disk = disk_alloc();
 639         softc->disk->d_devstat = devstat_new_entry("cd",
 640                           periph->unit_number, 0,
 641                           DEVSTAT_BS_UNAVAILABLE,
 642                           DEVSTAT_TYPE_CDROM |
 643                           XPORT_DEVSTAT_TYPE(cpi.transport),
 644                           DEVSTAT_PRIORITY_CD);
 645         softc->disk->d_open = cdopen;
 646         softc->disk->d_close = cdclose;
 647         softc->disk->d_strategy = cdstrategy;
 648         softc->disk->d_gone = cddiskgonecb;
 649         softc->disk->d_ioctl = cdioctl;
 650         softc->disk->d_name = "cd";
 651         cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
 652             sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
 653         strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
 654         cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
 655             cgd->inq_data.product, sizeof(cgd->inq_data.product),
 656             sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
 657         softc->disk->d_unit = periph->unit_number;
 658         softc->disk->d_drv1 = periph;
 659         if (cpi.maxio == 0)
 660                 softc->disk->d_maxsize = DFLTPHYS;      /* traditional default */
 661         else if (cpi.maxio > MAXPHYS)
 662                 softc->disk->d_maxsize = MAXPHYS;       /* for safety */
 663         else
 664                 softc->disk->d_maxsize = cpi.maxio;
 665         softc->disk->d_flags = 0;
 666         softc->disk->d_hba_vendor = cpi.hba_vendor;
 667         softc->disk->d_hba_device = cpi.hba_device;
 668         softc->disk->d_hba_subvendor = cpi.hba_subvendor;
 669         softc->disk->d_hba_subdevice = cpi.hba_subdevice;
 670
 671         /*
 672          * Acquire a reference to the periph before we register with GEOM.
 673          * We'll release this reference once GEOM calls us back (via
 674          * dadiskgonecb()) telling us that our provider has been freed.
 675          */
 676         if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
 677                 xpt_print(periph->path, "%s: lost periph during "
 678                           "registration!\n", __func__);
 679                 cam_periph_lock(periph);
 680                 return (CAM_REQ_CMP_ERR);
 681         }
 682
 683         disk_create(softc->disk, DISK_VERSION);
 684         cam_periph_lock(periph);
 685
 686         /*
 687          * Add an async callback so that we get
 688          * notified if this device goes away.
 689          */
 690         xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
 691             AC_SCSI_AEN | AC_UNIT_ATTENTION, cdasync, periph, periph->path);
 692
 693         /*
 694          * Schedule a periodic media polling events.
 695          */
 696         callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
 697         if ((softc->flags & CD_FLAG_DISC_REMOVABLE) &&
 698             (cgd->inq_flags & SID_AEN) == 0 &&
 699             cd_poll_period != 0)
 700                 callout_reset(&softc->mediapoll_c, cd_poll_period * hz,
 701                     cdmediapoll, periph);
 702
 703         xpt_schedule(periph, CAM_PRIORITY_DEV);
 704         return(CAM_REQ_CMP);
 705 }
 706
 707 static int
 708 cdopen(struct disk *dp)
 709 {
 710         struct cam_periph *periph;
 711         struct cd_softc *softc;
 712         int error;
 713
 714         periph = (struct cam_periph *)dp->d_drv1;
 715         softc = (struct cd_softc *)periph->softc;
 716
 717         if (cam_periph_acquire(periph) != CAM_REQ_CMP)
 718                 return(ENXIO);
 719
 720         cam_periph_lock(periph);
 721
 722         if (softc->flags & CD_FLAG_INVALID) {
 723                 cam_periph_release_locked(periph);
 724                 cam_periph_unlock(periph);
 725                 return(ENXIO);
 726         }
 727
 728         if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {
 729                 cam_periph_release_locked(periph);
 730                 cam_periph_unlock(periph);
 731                 return (error);
 732         }
 733
 734         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
 735             ("cdopen\n"));
 736
 737         /*
 738          * Check for media, and set the appropriate flags.  We don't bail
 739          * if we don't have media, but then we don't allow anything but the
 740          * CDIOCEJECT/CDIOCCLOSE ioctls if there is no media.
 741          */
 742         cdcheckmedia(periph);
 743
 744         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdopen\n"));
 745         cam_periph_unhold(periph);
 746
 747         cam_periph_unlock(periph);
 748
 749         return (0);
 750 }
 751
 752 static int
 753 cdclose(struct disk *dp)
 754 {
 755         struct  cam_periph *periph;
 756         struct  cd_softc *softc;
 757
 758         periph = (struct cam_periph *)dp->d_drv1;
 759         softc = (struct cd_softc *)periph->softc;
 760
 761         cam_periph_lock(periph);
 762         if (cam_periph_hold(periph, PRIBIO) != 0) {
 763                 cam_periph_unlock(periph);
 764                 cam_periph_release(periph);
 765                 return (0);
 766         }
 767
 768         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
 769             ("cdclose\n"));
 770
 771         if ((softc->flags & CD_FLAG_DISC_REMOVABLE) != 0)
 772                 cdprevent(periph, PR_ALLOW);
 773
 774         /*
 775          * Since we're closing this CD, mark the blocksize as unavailable.
 776          * It will be marked as available when the CD is opened again.
 777          */
 778         softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
 779
 780         /*
 781          * We'll check the media and toc again at the next open().
 782          */
 783         softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
 784
 785         cam_periph_unhold(periph);
 786         cam_periph_release_locked(periph);
 787         cam_periph_unlock(periph);
 788
 789         return (0);
 790 }
 791
 792 static int
 793 cdrunccb(union ccb *ccb, int (*error_routine)(union ccb *ccb,
 794                                               u_int32_t cam_flags,
 795                                               u_int32_t sense_flags),
 796          u_int32_t cam_flags, u_int32_t sense_flags)
 797 {
 798         struct cd_softc *softc;
 799         struct cam_periph *periph;
 800         int error;
 801
 802         periph = xpt_path_periph(ccb->ccb_h.path);
 803         softc = (struct cd_softc *)periph->softc;
 804
 805         error = cam_periph_runccb(ccb, error_routine, cam_flags, sense_flags,
 806                                   softc->disk->d_devstat);
 807
 808         return(error);
 809 }
 810
 811 /*
 812  * Actually translate the requested transfer into one the physical driver
 813  * can understand.  The transfer is described by a buf and will include
 814  * only one physical transfer.
 815  */
 816 static void
 817 cdstrategy(struct bio *bp)
 818 {
 819         struct cam_periph *periph;
 820         struct cd_softc *softc;
 821
 822         periph = (struct cam_periph *)bp->bio_disk->d_drv1;
 823         cam_periph_lock(periph);
 824         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
 825             ("cdstrategy(%p)\n", bp));
 826
 827         softc = (struct cd_softc *)periph->softc;
 828
 829         /*
 830          * If the device has been made invalid, error out
 831          */
 832         if ((softc->flags & CD_FLAG_INVALID)) {
 833                 cam_periph_unlock(periph);
 834                 biofinish(bp, NULL, ENXIO);
 835                 return;
 836         }
 837
 838         /*
 839          * If we don't have valid media, look for it before trying to
 840          * schedule the I/O.
 841          */
 842         if ((softc->flags & CD_FLAG_VALID_MEDIA) == 0) {
 843                 int error;
 844
 845                 error = cdcheckmedia(periph);
 846                 if (error != 0) {
 847                         cam_periph_unlock(periph);
 848                         biofinish(bp, NULL, error);
 849                         return;
 850                 }
 851         }
 852
 853         /*
 854          * Place it in the queue of disk activities for this disk
 855          */
 856         bioq_disksort(&softc->bio_queue, bp);
 857
 858         xpt_schedule(periph, CAM_PRIORITY_NORMAL);
 859
 860         cam_periph_unlock(periph);
 861         return;
 862 }
 863
 864 static void
 865 cdstart(struct cam_periph *periph, union ccb *start_ccb)
 866 {
 867         struct cd_softc *softc;
 868         struct bio *bp;
 869         struct ccb_scsiio *csio;
 870         struct scsi_read_capacity_data *rcap;
 871
 872         softc = (struct cd_softc *)periph->softc;
 873
 874         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdstart\n"));
 875
 876         switch (softc->state) {
 877         case CD_STATE_NORMAL:
 878         {
 879                 bp = bioq_first(&softc->bio_queue);
 880                 if (bp == NULL) {
 881                         if (softc->tur) {
 882                                 softc->tur = 0;
 883                                 csio = &start_ccb->csio;
 884                                 scsi_test_unit_ready(csio,
 885                                      /*retries*/ cd_retry_count,
 886                                      cddone,
 887                                      MSG_SIMPLE_Q_TAG,
 888                                      SSD_FULL_SIZE,
 889                                      cd_timeout);
 890                                 start_ccb->ccb_h.ccb_bp = NULL;
 891                                 start_ccb->ccb_h.ccb_state = CD_CCB_TUR;
 892                                 xpt_action(start_ccb);
 893                         } else
 894                                 xpt_release_ccb(start_ccb);
 895                 } else {
 896                         if (softc->tur) {
 897                                 softc->tur = 0;
 898                                 cam_periph_release_locked(periph);
 899                         }
 900                         bioq_remove(&softc->bio_queue, bp);
 901
 902                         scsi_read_write(&start_ccb->csio,
 903                                         /*retries*/ cd_retry_count,
 904                                         /* cbfcnp */ cddone,
 905                                         MSG_SIMPLE_Q_TAG,
 906                                         /* read */bp->bio_cmd == BIO_READ ?
 907                                         SCSI_RW_READ : SCSI_RW_WRITE,
 908                                         /* byte2 */ 0,
 909                                         /* minimum_cmd_size */ 10,
 910                                         /* lba */ bp->bio_offset /
 911                                           softc->params.blksize,
 912                                         bp->bio_bcount / softc->params.blksize,
 913                                         /* data_ptr */ bp->bio_data,
 914                                         /* dxfer_len */ bp->bio_bcount,
 915                                         /* sense_len */ cd_retry_count ?
 916                                           SSD_FULL_SIZE : SF_NO_PRINT,
 917                                         /* timeout */ cd_timeout);
 918                         /* Use READ CD command for audio tracks. */
 919                         if (softc->params.blksize == 2352) {
 920                                 start_ccb->csio.cdb_io.cdb_bytes[0] = READ_CD;
 921                                 start_ccb->csio.cdb_io.cdb_bytes[9] = 0xf8;
 922                                 start_ccb->csio.cdb_io.cdb_bytes[10] = 0;
 923                                 start_ccb->csio.cdb_io.cdb_bytes[11] = 0;
 924                                 start_ccb->csio.cdb_len = 12;
 925                         }
 926                         start_ccb->ccb_h.ccb_state = CD_CCB_BUFFER_IO;
 927
 928
 929                         LIST_INSERT_HEAD(&softc->pending_ccbs,
 930                                          &start_ccb->ccb_h, periph_links.le);
 931                         softc->outstanding_cmds++;
 932
 933                         /* We expect a unit attention from this device */
 934                         if ((softc->flags & CD_FLAG_RETRY_UA) != 0) {
 935                                 start_ccb->ccb_h.ccb_state |= CD_CCB_RETRY_UA;
 936                                 softc->flags &= ~CD_FLAG_RETRY_UA;
 937                         }
 938
 939                         start_ccb->ccb_h.ccb_bp = bp;
 940                         bp = bioq_first(&softc->bio_queue);
 941
 942                         xpt_action(start_ccb);
 943                 }
 944                 if (bp != NULL || softc->tur) {
 945                         /* Have more work to do, so ensure we stay scheduled */
 946                         xpt_schedule(periph, CAM_PRIORITY_NORMAL);
 947                 }
 948                 break;
 949         }
 950         case CD_STATE_PROBE:
 951         {
 952
 953                 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
 954                     M_SCSICD, M_NOWAIT | M_ZERO);
 955                 if (rcap == NULL) {
 956                         xpt_print(periph->path,
 957                             "cdstart: Couldn't malloc read_capacity data\n");
 958                         /* cd_free_periph??? */
 959                         break;
 960                 }
 961                 csio = &start_ccb->csio;
 962                 scsi_read_capacity(csio,
 963                                    /*retries*/ cd_retry_count,
 964                                    cddone,
 965                                    MSG_SIMPLE_Q_TAG,
 966                                    rcap,
 967                                    SSD_FULL_SIZE,
 968                                    /*timeout*/20000);
 969                 start_ccb->ccb_h.ccb_bp = NULL;
 970                 start_ccb->ccb_h.ccb_state = CD_CCB_PROBE;
 971                 xpt_action(start_ccb);
 972                 break;
 973         }
 974         }
 975 }
 976
 977 static void
 978 cddone(struct cam_periph *periph, union ccb *done_ccb)
 979 {
 980         struct cd_softc *softc;
 981         struct ccb_scsiio *csio;
 982
 983         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cddone\n"));
 984
 985         softc = (struct cd_softc *)periph->softc;
 986         csio = &done_ccb->csio;
 987
 988         switch (csio->ccb_h.ccb_state & CD_CCB_TYPE_MASK) {
 989         case CD_CCB_BUFFER_IO:
 990         {
 991                 struct bio      *bp;
 992                 int             error;
 993
 994                 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
 995                 error = 0;
 996
 997                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
 998                         int sf;
 999
1000                         if ((done_ccb->ccb_h.ccb_state & CD_CCB_RETRY_UA) != 0)
1001                                 sf = SF_RETRY_UA;
1002                         else
1003                                 sf = 0;
1004
1005                         error = cderror(done_ccb, CAM_RETRY_SELTO, sf);
1006                         if (error == ERESTART) {
1007                                 /*
1008                                  * A retry was scheuled, so
1009                                  * just return.
1010                                  */
1011                                 return;
1012                         }
1013                 }
1014
1015                 if (error != 0) {
1016                         xpt_print(periph->path,
1017                             "cddone: got error %#x back\n", error);
1018                         bioq_flush(&softc->bio_queue, NULL, EIO);
1019                         bp->bio_resid = bp->bio_bcount;
1020                         bp->bio_error = error;
1021                         bp->bio_flags |= BIO_ERROR;
1022                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1023                                 cam_release_devq(done_ccb->ccb_h.path,
1024                                          /*relsim_flags*/0,
1025                                          /*reduction*/0,
1026                                          /*timeout*/0,
1027                                          /*getcount_only*/0);
1028
1029                 } else {
1030                         bp->bio_resid = csio->resid;
1031                         bp->bio_error = 0;
1032                         if (bp->bio_resid != 0) {
1033                                 /*
1034                                  * Short transfer ???
1035                                  * XXX: not sure this is correct for partial
1036                                  * transfers at EOM
1037                                  */
1038                                 bp->bio_flags |= BIO_ERROR;
1039                         }
1040                 }
1041
1042                 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1043                 softc->outstanding_cmds--;
1044
1045                 biofinish(bp, NULL, 0);
1046                 break;
1047         }
1048         case CD_CCB_PROBE:
1049         {
1050                 struct     scsi_read_capacity_data *rdcap;
1051                 char       announce_buf[120]; /*
1052                                                * Currently (9/30/97) the
1053                                                * longest possible announce
1054                                                * buffer is 108 bytes, for the
1055                                                * first error case below.
1056                                                * That is 39 bytes for the
1057                                                * basic string, 16 bytes for the
1058                                                * biggest sense key (hardware
1059                                                * error), 52 bytes for the
1060                                                * text of the largest sense
1061                                                * qualifier valid for a CDROM,
1062                                                * (0x72, 0x03 or 0x04,
1063                                                * 0x03), and one byte for the
1064                                                * null terminating character.
1065                                                * To allow for longer strings,
1066                                                * the announce buffer is 120
1067                                                * bytes.
1068                                                */
1069                 struct     cd_params *cdp;
1070                 int error;
1071
1072                 cdp = &softc->params;
1073
1074                 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1075
1076                 cdp->disksize = scsi_4btoul (rdcap->addr) + 1;
1077                 cdp->blksize = scsi_4btoul (rdcap->length);
1078
1079                 /*
1080                  * Retry any UNIT ATTENTION type errors.  They
1081                  * are expected at boot.
1082                  */
1083                 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP ||
1084                     (error = cderror(done_ccb, CAM_RETRY_SELTO,
1085                                 SF_RETRY_UA | SF_NO_PRINT)) == 0) {
1086
1087                         snprintf(announce_buf, sizeof(announce_buf),
1088                                 "cd present [%lu x %lu byte records]",
1089                                 cdp->disksize, (u_long)cdp->blksize);
1090
1091                 } else {
1092                         if (error == ERESTART) {
1093                                 /*
1094                                  * A retry was scheuled, so
1095                                  * just return.
1096                                  */
1097                                 return;
1098                         } else {
1099                                 int asc, ascq;
1100                                 int sense_key, error_code;
1101                                 int have_sense;
1102                                 cam_status status;
1103                                 struct ccb_getdev cgd;
1104
1105                                 /* Don't wedge this device's queue */
1106                                 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1107                                         cam_release_devq(done_ccb->ccb_h.path,
1108                                                  /*relsim_flags*/0,
1109                                                  /*reduction*/0,
1110                                                  /*timeout*/0,
1111                                                  /*getcount_only*/0);
1112
1113                                 status = done_ccb->ccb_h.status;
1114
1115                                 xpt_setup_ccb(&cgd.ccb_h,
1116                                               done_ccb->ccb_h.path,
1117                                               CAM_PRIORITY_NORMAL);
1118                                 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1119                                 xpt_action((union ccb *)&cgd);
1120
1121                                 if (scsi_extract_sense_ccb(done_ccb,
1122                                     &error_code, &sense_key, &asc, &ascq))
1123                                         have_sense = TRUE;
1124                                 else
1125                                         have_sense = FALSE;
1126
1127                                 /*
1128                                  * Attach to anything that claims to be a
1129                                  * CDROM or WORM device, as long as it
1130                                  * doesn't return a "Logical unit not
1131                                  * supported" (0x25) error.
1132                                  */
1133                                 if ((have_sense) && (asc != 0x25)
1134                                  && (error_code == SSD_CURRENT_ERROR)) {
1135                                         const char *sense_key_desc;
1136                                         const char *asc_desc;
1137
1138                                         scsi_sense_desc(sense_key, asc, ascq,
1139                                                         &cgd.inq_data,
1140                                                         &sense_key_desc,
1141                                                         &asc_desc);
1142                                         snprintf(announce_buf,
1143                                             sizeof(announce_buf),
1144                                                 "Attempt to query device "
1145                                                 "size failed: %s, %s",
1146                                                 sense_key_desc,
1147                                                 asc_desc);
1148                                 } else if ((have_sense == 0)
1149                                       && ((status & CAM_STATUS_MASK) ==
1150                                            CAM_SCSI_STATUS_ERROR)
1151                                       && (csio->scsi_status ==
1152                                           SCSI_STATUS_BUSY)) {
1153                                         snprintf(announce_buf,
1154                                             sizeof(announce_buf),
1155                                             "Attempt to query device "
1156                                             "size failed: SCSI Status: %s",
1157                                             scsi_status_string(csio));
1158                                 } else if (SID_TYPE(&cgd.inq_data) == T_CDROM) {
1159                                         /*
1160                                          * We only print out an error for
1161                                          * CDROM type devices.  For WORM
1162                                          * devices, we don't print out an
1163                                          * error since a few WORM devices
1164                                          * don't support CDROM commands.
1165                                          * If we have sense information, go
1166                                          * ahead and print it out.
1167                                          * Otherwise, just say that we
1168                                          * couldn't attach.
1169                                          */
1170
1171                                         /*
1172                                          * Just print out the error, not
1173                                          * the full probe message, when we
1174                                          * don't attach.
1175                                          */
1176                                         if (have_sense)
1177                                                 scsi_sense_print(
1178                                                         &done_ccb->csio);
1179                                         else {
1180                                                 xpt_print(periph->path,
1181                                                     "got CAM status %#x\n",
1182                                                     done_ccb->ccb_h.status);
1183                                         }
1184                                         xpt_print(periph->path, "fatal error, "
1185                                             "failed to attach to device\n");
1186                                         /*
1187                                          * Invalidate this peripheral.
1188                                          */
1189                                         cam_periph_invalidate(periph);
1190
1191                                         announce_buf[0] = '\0';
1192                                 } else {
1193
1194                                         /*
1195                                          * Invalidate this peripheral.
1196                                          */
1197                                         cam_periph_invalidate(periph);
1198                                         announce_buf[0] = '\0';
1199                                 }
1200                         }
1201                 }
1202                 free(rdcap, M_SCSICD);
1203                 if (announce_buf[0] != '\0') {
1204                         xpt_announce_periph(periph, announce_buf);
1205                         xpt_announce_quirks(periph, softc->quirks,
1206                             CD_Q_BIT_STRING);
1207                         /*
1208                          * Create our sysctl variables, now that we know
1209                          * we have successfully attached.
1210                          */
1211                         taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1212                 }
1213                 softc->state = CD_STATE_NORMAL;
1214                 /*
1215                  * Since our peripheral may be invalidated by an error
1216                  * above or an external event, we must release our CCB
1217                  * before releasing the probe lock on the peripheral.
1218                  * The peripheral will only go away once the last lock
1219                  * is removed, and we need it around for the CCB release
1220                  * operation.
1221                  */
1222                 xpt_release_ccb(done_ccb);
1223                 cam_periph_unhold(periph);
1224                 return;
1225         }
1226         case CD_CCB_TUR:
1227         {
1228                 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1229
1230                         if (cderror(done_ccb, CAM_RETRY_SELTO,
1231                             SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
1232                             ERESTART)
1233                                 return;
1234                         if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1235                                 cam_release_devq(done_ccb->ccb_h.path,
1236                                                  /*relsim_flags*/0,
1237                                                  /*reduction*/0,
1238                                                  /*timeout*/0,
1239                                                  /*getcount_only*/0);
1240                 }
1241                 xpt_release_ccb(done_ccb);
1242                 cam_periph_release_locked(periph);
1243                 return;
1244         }
1245         default:
1246                 break;
1247         }
1248         xpt_release_ccb(done_ccb);
1249 }
1250
1251 static union cd_pages *
1252 cdgetpage(struct cd_mode_params *mode_params)
1253 {
1254         union cd_pages *page;
1255
1256         if (mode_params->cdb_size == 10)
1257                 page = (union cd_pages *)find_mode_page_10(
1258                         (struct scsi_mode_header_10 *)mode_params->mode_buf);
1259         else
1260                 page = (union cd_pages *)find_mode_page_6(
1261                         (struct scsi_mode_header_6 *)mode_params->mode_buf);
1262
1263         return (page);
1264 }
1265
1266 static int
1267 cdgetpagesize(int page_num)
1268 {
1269         int i;
1270
1271         for (i = 0; i < (sizeof(cd_page_size_table)/
1272              sizeof(cd_page_size_table[0])); i++) {
1273                 if (cd_page_size_table[i].page == page_num)
1274                         return (cd_page_size_table[i].page_size);
1275         }
1276
1277         return (-1);
1278 }
1279
1280 static int
1281 cdioctl(struct disk *dp, u_long cmd, void *addr, int flag, struct thread *td)
1282 {
1283
1284         struct  cam_periph *periph;
1285         struct  cd_softc *softc;
1286         int     nocopyout, error = 0;
1287
1288         periph = (struct cam_periph *)dp->d_drv1;
1289         cam_periph_lock(periph);
1290
1291         softc = (struct cd_softc *)periph->softc;
1292
1293         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
1294             ("cdioctl(%#lx)\n", cmd));
1295
1296         if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {
1297                 cam_periph_unlock(periph);
1298                 cam_periph_release(periph);
1299                 return (error);
1300         }
1301
1302         /*
1303          * If we don't have media loaded, check for it.  If still don't
1304          * have media loaded, we can only do a load or eject.
1305          *
1306          * We only care whether media is loaded if this is a cd-specific ioctl
1307          * (thus the IOCGROUP check below).  Note that this will break if
1308          * anyone adds any ioctls into the switch statement below that don't
1309          * have their ioctl group set to 'c'.
1310          */
1311         if (((softc->flags & CD_FLAG_VALID_MEDIA) == 0)
1312          && ((cmd != CDIOCCLOSE)
1313           && (cmd != CDIOCEJECT))
1314          && (IOCGROUP(cmd) == 'c')) {
1315                 error = cdcheckmedia(periph);
1316                 if (error != 0) {
1317                         cam_periph_unhold(periph);
1318                         cam_periph_unlock(periph);
1319                         return (error);
1320                 }
1321         }
1322         /*
1323          * Drop the lock here so later mallocs can use WAITOK.  The periph
1324          * is essentially locked still with the cam_periph_hold call above.
1325          */
1326         cam_periph_unlock(periph);
1327
1328         nocopyout = 0;
1329         switch (cmd) {
1330
1331         case CDIOCPLAYTRACKS:
1332                 {
1333                         struct ioc_play_track *args
1334                             = (struct ioc_play_track *) addr;
1335                         struct cd_mode_params params;
1336                         union cd_pages *page;
1337
1338                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1339                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1340                                                  M_WAITOK | M_ZERO);
1341
1342                         cam_periph_lock(periph);
1343                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1344                                   ("trying to do CDIOCPLAYTRACKS\n"));
1345
1346                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1347                         if (error) {
1348                                 free(params.mode_buf, M_SCSICD);
1349                                 cam_periph_unlock(periph);
1350                                 break;
1351                         }
1352                         page = cdgetpage(&params);
1353
1354                         page->audio.flags &= ~CD_PA_SOTC;
1355                         page->audio.flags |= CD_PA_IMMED;
1356                         error = cdsetmode(periph, &params);
1357                         free(params.mode_buf, M_SCSICD);
1358                         if (error) {
1359                                 cam_periph_unlock(periph);
1360                                 break;
1361                         }
1362
1363                         /*
1364                          * This was originally implemented with the PLAY
1365                          * AUDIO TRACK INDEX command, but that command was
1366                          * deprecated after SCSI-2.  Most (all?) SCSI CDROM
1367                          * drives support it but ATAPI and ATAPI-derivative
1368                          * drives don't seem to support it.  So we keep a
1369                          * cache of the table of contents and translate
1370                          * track numbers to MSF format.
1371                          */
1372                         if (softc->flags & CD_FLAG_VALID_TOC) {
1373                                 union msf_lba *sentry, *eentry;
1374                                 int st, et;
1375
1376                                 if (args->end_track <
1377                                     softc->toc.header.ending_track + 1)
1378                                         args->end_track++;
1379                                 if (args->end_track >
1380                                     softc->toc.header.ending_track + 1)
1381                                         args->end_track =
1382                                             softc->toc.header.ending_track + 1;
1383                                 st = args->start_track -
1384                                         softc->toc.header.starting_track;
1385                                 et = args->end_track -
1386                                         softc->toc.header.starting_track;
1387                                 if ((st < 0)
1388                                  || (et < 0)
1389                                  || (st > (softc->toc.header.ending_track -
1390                                      softc->toc.header.starting_track))) {
1391                                         error = EINVAL;
1392                                         cam_periph_unlock(periph);
1393                                         break;
1394                                 }
1395                                 sentry = &softc->toc.entries[st].addr;
1396                                 eentry = &softc->toc.entries[et].addr;
1397                                 error = cdplaymsf(periph,
1398                                                   sentry->msf.minute,
1399                                                   sentry->msf.second,
1400                                                   sentry->msf.frame,
1401                                                   eentry->msf.minute,
1402                                                   eentry->msf.second,
1403                                                   eentry->msf.frame);
1404                         } else {
1405                                 /*
1406                                  * If we don't have a valid TOC, try the
1407                                  * play track index command.  It is part of
1408                                  * the SCSI-2 spec, but was removed in the
1409                                  * MMC specs.  ATAPI and ATAPI-derived
1410                                  * drives don't support it.
1411                                  */
1412                                 if (softc->quirks & CD_Q_BCD_TRACKS) {
1413                                         args->start_track =
1414                                                 bin2bcd(args->start_track);
1415                                         args->end_track =
1416                                                 bin2bcd(args->end_track);
1417                                 }
1418                                 error = cdplaytracks(periph,
1419                                                      args->start_track,
1420                                                      args->start_index,
1421                                                      args->end_track,
1422                                                      args->end_index);
1423                         }
1424                         cam_periph_unlock(periph);
1425                 }
1426                 break;
1427         case CDIOCPLAYMSF:
1428                 {
1429                         struct ioc_play_msf *args
1430                                 = (struct ioc_play_msf *) addr;
1431                         struct cd_mode_params params;
1432                         union cd_pages *page;
1433
1434                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1435                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1436                                                  M_WAITOK | M_ZERO);
1437
1438                         cam_periph_lock(periph);
1439                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1440                                   ("trying to do CDIOCPLAYMSF\n"));
1441
1442                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1443                         if (error) {
1444                                 free(params.mode_buf, M_SCSICD);
1445                                 cam_periph_unlock(periph);
1446                                 break;
1447                         }
1448                         page = cdgetpage(&params);
1449
1450                         page->audio.flags &= ~CD_PA_SOTC;
1451                         page->audio.flags |= CD_PA_IMMED;
1452                         error = cdsetmode(periph, &params);
1453                         free(params.mode_buf, M_SCSICD);
1454                         if (error) {
1455                                 cam_periph_unlock(periph);
1456                                 break;
1457                         }
1458                         error = cdplaymsf(periph,
1459                                           args->start_m,
1460                                           args->start_s,
1461                                           args->start_f,
1462                                           args->end_m,
1463                                           args->end_s,
1464                                           args->end_f);
1465                         cam_periph_unlock(periph);
1466                 }
1467                 break;
1468         case CDIOCPLAYBLOCKS:
1469                 {
1470                         struct ioc_play_blocks *args
1471                                 = (struct ioc_play_blocks *) addr;
1472                         struct cd_mode_params params;
1473                         union cd_pages *page;
1474
1475                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1476                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1477                                                  M_WAITOK | M_ZERO);
1478
1479                         cam_periph_lock(periph);
1480                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1481                                   ("trying to do CDIOCPLAYBLOCKS\n"));
1482
1483
1484                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1485                         if (error) {
1486                                 free(params.mode_buf, M_SCSICD);
1487                                 cam_periph_unlock(periph);
1488                                 break;
1489                         }
1490                         page = cdgetpage(&params);
1491
1492                         page->audio.flags &= ~CD_PA_SOTC;
1493                         page->audio.flags |= CD_PA_IMMED;
1494                         error = cdsetmode(periph, &params);
1495                         free(params.mode_buf, M_SCSICD);
1496                         if (error) {
1497                                 cam_periph_unlock(periph);
1498                                 break;
1499                         }
1500                         error = cdplay(periph, args->blk, args->len);
1501                         cam_periph_unlock(periph);
1502                 }
1503                 break;
1504         case CDIOCREADSUBCHANNEL_SYSSPACE:
1505                 nocopyout = 1;
1506                 /* Fallthrough */
1507         case CDIOCREADSUBCHANNEL:
1508                 {
1509                         struct ioc_read_subchannel *args
1510                                 = (struct ioc_read_subchannel *) addr;
1511                         struct cd_sub_channel_info *data;
1512                         u_int32_t len = args->data_len;
1513
1514                         data = malloc(sizeof(struct cd_sub_channel_info),
1515                                       M_SCSICD, M_WAITOK | M_ZERO);
1516
1517                         cam_periph_lock(periph);
1518                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1519                                   ("trying to do CDIOCREADSUBCHANNEL\n"));
1520
1521                         if ((len > sizeof(struct cd_sub_channel_info)) ||
1522                             (len < sizeof(struct cd_sub_channel_header))) {
1523                                 printf(
1524                                         "scsi_cd: cdioctl: "
1525                                         "cdioreadsubchannel: error, len=%d\n",
1526                                         len);
1527                                 error = EINVAL;
1528                                 free(data, M_SCSICD);
1529                                 cam_periph_unlock(periph);
1530                                 break;
1531                         }
1532
1533                         if (softc->quirks & CD_Q_BCD_TRACKS)
1534                                 args->track = bin2bcd(args->track);
1535
1536                         error = cdreadsubchannel(periph, args->address_format,
1537                                 args->data_format, args->track, data, len);
1538
1539                         if (error) {
1540                                 free(data, M_SCSICD);
1541                                 cam_periph_unlock(periph);
1542                                 break;
1543                         }
1544                         if (softc->quirks & CD_Q_BCD_TRACKS)
1545                                 data->what.track_info.track_number =
1546                                     bcd2bin(data->what.track_info.track_number);
1547                         len = min(len, ((data->header.data_len[0] << 8) +
1548                                 data->header.data_len[1] +
1549                                 sizeof(struct cd_sub_channel_header)));
1550                         cam_periph_unlock(periph);
1551                         if (nocopyout == 0) {
1552                                 if (copyout(data, args->data, len) != 0) {
1553                                         error = EFAULT;
1554                                 }
1555                         } else {
1556                                 bcopy(data, args->data, len);
1557                         }
1558                         free(data, M_SCSICD);
1559                 }
1560                 break;
1561
1562         case CDIOREADTOCHEADER:
1563                 {
1564                         struct ioc_toc_header *th;
1565
1566                         th = malloc(sizeof(struct ioc_toc_header), M_SCSICD,
1567                                     M_WAITOK | M_ZERO);
1568
1569                         cam_periph_lock(periph);
1570                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1571                                   ("trying to do CDIOREADTOCHEADER\n"));
1572
1573                         error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
1574                                           sizeof (*th), /*sense_flags*/SF_NO_PRINT);
1575                         if (error) {
1576                                 free(th, M_SCSICD);
1577                                 cam_periph_unlock(periph);
1578                                 break;
1579                         }
1580                         if (softc->quirks & CD_Q_BCD_TRACKS) {
1581                                 /* we are going to have to convert the BCD
1582                                  * encoding on the cd to what is expected
1583                                  */
1584                                 th->starting_track =
1585                                         bcd2bin(th->starting_track);
1586                                 th->ending_track = bcd2bin(th->ending_track);
1587                         }
1588                         th->len = ntohs(th->len);
1589                         bcopy(th, addr, sizeof(*th));
1590                         free(th, M_SCSICD);
1591                         cam_periph_unlock(periph);
1592                 }
1593                 break;
1594         case CDIOREADTOCENTRYS:
1595                 {
1596                         struct cd_tocdata *data;
1597                         struct cd_toc_single *lead;
1598                         struct ioc_read_toc_entry *te =
1599                                 (struct ioc_read_toc_entry *) addr;
1600                         struct ioc_toc_header *th;
1601                         u_int32_t len, readlen, idx, num;
1602                         u_int32_t starting_track = te->starting_track;
1603
1604                         data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO);
1605                         lead = malloc(sizeof(*lead), M_SCSICD, M_WAITOK | M_ZERO);
1606
1607                         cam_periph_lock(periph);
1608                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1609                                   ("trying to do CDIOREADTOCENTRYS\n"));
1610
1611                         if (te->data_len < sizeof(struct cd_toc_entry)
1612                          || (te->data_len % sizeof(struct cd_toc_entry)) != 0
1613                          || (te->address_format != CD_MSF_FORMAT
1614                           && te->address_format != CD_LBA_FORMAT)) {
1615                                 error = EINVAL;
1616                                 printf("scsi_cd: error in readtocentries, "
1617                                        "returning EINVAL\n");
1618                                 free(data, M_SCSICD);
1619                                 free(lead, M_SCSICD);
1620                                 cam_periph_unlock(periph);
1621                                 break;
1622                         }
1623
1624                         th = &data->header;
1625                         error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
1626                                           sizeof (*th), /*sense_flags*/0);
1627                         if (error) {
1628                                 free(data, M_SCSICD);
1629                                 free(lead, M_SCSICD);
1630                                 cam_periph_unlock(periph);
1631                                 break;
1632                         }
1633
1634                         if (softc->quirks & CD_Q_BCD_TRACKS) {
1635                                 /* we are going to have to convert the BCD
1636                                  * encoding on the cd to what is expected
1637                                  */
1638                                 th->starting_track =
1639                                     bcd2bin(th->starting_track);
1640                                 th->ending_track = bcd2bin(th->ending_track);
1641                         }
1642
1643                         if (starting_track == 0)
1644                                 starting_track = th->starting_track;
1645                         else if (starting_track == LEADOUT)
1646                                 starting_track = th->ending_track + 1;
1647                         else if (starting_track < th->starting_track ||
1648                                  starting_track > th->ending_track + 1) {
1649                                 printf("scsi_cd: error in readtocentries, "
1650                                        "returning EINVAL\n");
1651                                 free(data, M_SCSICD);
1652                                 free(lead, M_SCSICD);
1653                                 cam_periph_unlock(periph);
1654                                 error = EINVAL;
1655                                 break;
1656                         }
1657
1658                         /* calculate reading length without leadout entry */
1659                         readlen = (th->ending_track - starting_track + 1) *
1660                                   sizeof(struct cd_toc_entry);
1661
1662                         /* and with leadout entry */
1663                         len = readlen + sizeof(struct cd_toc_entry);
1664                         if (te->data_len < len) {
1665                                 len = te->data_len;
1666                                 if (readlen > len)
1667                                         readlen = len;
1668                         }
1669                         if (len > sizeof(data->entries)) {
1670                                 printf("scsi_cd: error in readtocentries, "
1671                                        "returning EINVAL\n");
1672                                 error = EINVAL;
1673                                 free(data, M_SCSICD);
1674                                 free(lead, M_SCSICD);
1675                                 cam_periph_unlock(periph);
1676                                 break;
1677                         }
1678                         num = len / sizeof(struct cd_toc_entry);
1679
1680                         if (readlen > 0) {
1681                                 error = cdreadtoc(periph, te->address_format,
1682                                                   starting_track,
1683                                                   (u_int8_t *)data,
1684                                                   readlen + sizeof (*th),
1685                                                   /*sense_flags*/0);
1686                                 if (error) {
1687                                         free(data, M_SCSICD);
1688                                         free(lead, M_SCSICD);
1689                                         cam_periph_unlock(periph);
1690                                         break;
1691                                 }
1692                         }
1693
1694                         /* make leadout entry if needed */
1695                         idx = starting_track + num - 1;
1696                         if (softc->quirks & CD_Q_BCD_TRACKS)
1697                                 th->ending_track = bcd2bin(th->ending_track);
1698                         if (idx == th->ending_track + 1) {
1699                                 error = cdreadtoc(periph, te->address_format,
1700                                                   LEADOUT, (u_int8_t *)lead,
1701                                                   sizeof(*lead),
1702                                                   /*sense_flags*/0);
1703                                 if (error) {
1704                                         free(data, M_SCSICD);
1705                                         free(lead, M_SCSICD);
1706                                         cam_periph_unlock(periph);
1707                                         break;
1708                                 }
1709                                 data->entries[idx - starting_track] =
1710                                         lead->entry;
1711                         }
1712                         if (softc->quirks & CD_Q_BCD_TRACKS) {
1713                                 for (idx = 0; idx < num - 1; idx++) {
1714                                         data->entries[idx].track =
1715                                             bcd2bin(data->entries[idx].track);
1716                                 }
1717                         }
1718
1719                         cam_periph_unlock(periph);
1720                         error = copyout(data->entries, te->data, len);
1721                         free(data, M_SCSICD);
1722                         free(lead, M_SCSICD);
1723                 }
1724                 break;
1725         case CDIOREADTOCENTRY:
1726                 {
1727                         struct cd_toc_single *data;
1728                         struct ioc_read_toc_single_entry *te =
1729                                 (struct ioc_read_toc_single_entry *) addr;
1730                         struct ioc_toc_header *th;
1731                         u_int32_t track;
1732
1733                         data = malloc(sizeof(*data), M_SCSICD, M_WAITOK | M_ZERO);
1734
1735                         cam_periph_lock(periph);
1736                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1737                                   ("trying to do CDIOREADTOCENTRY\n"));
1738
1739                         if (te->address_format != CD_MSF_FORMAT
1740                             && te->address_format != CD_LBA_FORMAT) {
1741                                 printf("error in readtocentry, "
1742                                        " returning EINVAL\n");
1743                                 free(data, M_SCSICD);
1744                                 error = EINVAL;
1745                                 cam_periph_unlock(periph);
1746                                 break;
1747                         }
1748
1749                         th = &data->header;
1750                         error = cdreadtoc(periph, 0, 0, (u_int8_t *)th,
1751                                           sizeof (*th), /*sense_flags*/0);
1752                         if (error) {
1753                                 free(data, M_SCSICD);
1754                                 cam_periph_unlock(periph);
1755                                 break;
1756                         }
1757
1758                         if (softc->quirks & CD_Q_BCD_TRACKS) {
1759                                 /* we are going to have to convert the BCD
1760                                  * encoding on the cd to what is expected
1761                                  */
1762                                 th->starting_track =
1763                                     bcd2bin(th->starting_track);
1764                                 th->ending_track = bcd2bin(th->ending_track);
1765                         }
1766                         track = te->track;
1767                         if (track == 0)
1768                                 track = th->starting_track;
1769                         else if (track == LEADOUT)
1770                                 /* OK */;
1771                         else if (track < th->starting_track ||
1772                                  track > th->ending_track + 1) {
1773                                 printf("error in readtocentry, "
1774                                        " returning EINVAL\n");
1775                                 free(data, M_SCSICD);
1776                                 error = EINVAL;
1777                                 cam_periph_unlock(periph);
1778                                 break;
1779                         }
1780
1781                         error = cdreadtoc(periph, te->address_format, track,
1782                                           (u_int8_t *)data, sizeof(*data),
1783                                           /*sense_flags*/0);
1784                         if (error) {
1785                                 free(data, M_SCSICD);
1786                                 cam_periph_unlock(periph);
1787                                 break;
1788                         }
1789
1790                         if (softc->quirks & CD_Q_BCD_TRACKS)
1791                                 data->entry.track = bcd2bin(data->entry.track);
1792                         bcopy(&data->entry, &te->entry,
1793                               sizeof(struct cd_toc_entry));
1794                         free(data, M_SCSICD);
1795                         cam_periph_unlock(periph);
1796                 }
1797                 break;
1798         case CDIOCSETPATCH:
1799                 {
1800                         struct ioc_patch *arg = (struct ioc_patch *)addr;
1801                         struct cd_mode_params params;
1802                         union cd_pages *page;
1803
1804                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1805                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1806                                                  M_WAITOK | M_ZERO);
1807
1808                         cam_periph_lock(periph);
1809                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1810                                   ("trying to do CDIOCSETPATCH\n"));
1811
1812                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1813                         if (error) {
1814                                 free(params.mode_buf, M_SCSICD);
1815                                 cam_periph_unlock(periph);
1816                                 break;
1817                         }
1818                         page = cdgetpage(&params);
1819
1820                         page->audio.port[LEFT_PORT].channels =
1821                                 arg->patch[0];
1822                         page->audio.port[RIGHT_PORT].channels =
1823                                 arg->patch[1];
1824                         page->audio.port[2].channels = arg->patch[2];
1825                         page->audio.port[3].channels = arg->patch[3];
1826                         error = cdsetmode(periph, &params);
1827                         free(params.mode_buf, M_SCSICD);
1828                         cam_periph_unlock(periph);
1829                 }
1830                 break;
1831         case CDIOCGETVOL:
1832                 {
1833                         struct ioc_vol *arg = (struct ioc_vol *) addr;
1834                         struct cd_mode_params params;
1835                         union cd_pages *page;
1836
1837                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1838                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1839                                                  M_WAITOK | M_ZERO);
1840
1841                         cam_periph_lock(periph);
1842                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1843                                   ("trying to do CDIOCGETVOL\n"));
1844
1845                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1846                         if (error) {
1847                                 free(params.mode_buf, M_SCSICD);
1848                                 cam_periph_unlock(periph);
1849                                 break;
1850                         }
1851                         page = cdgetpage(&params);
1852
1853                         arg->vol[LEFT_PORT] =
1854                                 page->audio.port[LEFT_PORT].volume;
1855                         arg->vol[RIGHT_PORT] =
1856                                 page->audio.port[RIGHT_PORT].volume;
1857                         arg->vol[2] = page->audio.port[2].volume;
1858                         arg->vol[3] = page->audio.port[3].volume;
1859                         free(params.mode_buf, M_SCSICD);
1860                         cam_periph_unlock(periph);
1861                 }
1862                 break;
1863         case CDIOCSETVOL:
1864                 {
1865                         struct ioc_vol *arg = (struct ioc_vol *) addr;
1866                         struct cd_mode_params params;
1867                         union cd_pages *page;
1868
1869                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1870                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1871                                                  M_WAITOK | M_ZERO);
1872
1873                         cam_periph_lock(periph);
1874                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1875                                   ("trying to do CDIOCSETVOL\n"));
1876
1877                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1878                         if (error) {
1879                                 free(params.mode_buf, M_SCSICD);
1880                                 cam_periph_unlock(periph);
1881                                 break;
1882                         }
1883                         page = cdgetpage(&params);
1884
1885                         page->audio.port[LEFT_PORT].channels = CHANNEL_0;
1886                         page->audio.port[LEFT_PORT].volume =
1887                                 arg->vol[LEFT_PORT];
1888                         page->audio.port[RIGHT_PORT].channels = CHANNEL_1;
1889                         page->audio.port[RIGHT_PORT].volume =
1890                                 arg->vol[RIGHT_PORT];
1891                         page->audio.port[2].volume = arg->vol[2];
1892                         page->audio.port[3].volume = arg->vol[3];
1893                         error = cdsetmode(periph, &params);
1894                         cam_periph_unlock(periph);
1895                         free(params.mode_buf, M_SCSICD);
1896                 }
1897                 break;
1898         case CDIOCSETMONO:
1899                 {
1900                         struct cd_mode_params params;
1901                         union cd_pages *page;
1902
1903                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1904                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1905                                                  M_WAITOK | M_ZERO);
1906
1907                         cam_periph_lock(periph);
1908                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1909                                   ("trying to do CDIOCSETMONO\n"));
1910
1911                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1912                         if (error) {
1913                                 free(params.mode_buf, M_SCSICD);
1914                                 cam_periph_unlock(periph);
1915                                 break;
1916                         }
1917                         page = cdgetpage(&params);
1918
1919                         page->audio.port[LEFT_PORT].channels =
1920                                 LEFT_CHANNEL | RIGHT_CHANNEL;
1921                         page->audio.port[RIGHT_PORT].channels =
1922                                 LEFT_CHANNEL | RIGHT_CHANNEL;
1923                         page->audio.port[2].channels = 0;
1924                         page->audio.port[3].channels = 0;
1925                         error = cdsetmode(periph, &params);
1926                         cam_periph_unlock(periph);
1927                         free(params.mode_buf, M_SCSICD);
1928                 }
1929                 break;
1930         case CDIOCSETSTEREO:
1931                 {
1932                         struct cd_mode_params params;
1933                         union cd_pages *page;
1934
1935                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1936                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1937                                                  M_WAITOK | M_ZERO);
1938
1939                         cam_periph_lock(periph);
1940                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1941                                   ("trying to do CDIOCSETSTEREO\n"));
1942
1943                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1944                         if (error) {
1945                                 free(params.mode_buf, M_SCSICD);
1946                                 cam_periph_unlock(periph);
1947                                 break;
1948                         }
1949                         page = cdgetpage(&params);
1950
1951                         page->audio.port[LEFT_PORT].channels =
1952                                 LEFT_CHANNEL;
1953                         page->audio.port[RIGHT_PORT].channels =
1954                                 RIGHT_CHANNEL;
1955                         page->audio.port[2].channels = 0;
1956                         page->audio.port[3].channels = 0;
1957                         error = cdsetmode(periph, &params);
1958                         free(params.mode_buf, M_SCSICD);
1959                         cam_periph_unlock(periph);
1960                 }
1961                 break;
1962         case CDIOCSETMUTE:
1963                 {
1964                         struct cd_mode_params params;
1965                         union cd_pages *page;
1966
1967                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1968                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1969                                                  M_WAITOK | M_ZERO);
1970
1971                         cam_periph_lock(periph);
1972                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
1973                                   ("trying to do CDIOCSETMUTE\n"));
1974
1975                         error = cdgetmode(periph, &params, AUDIO_PAGE);
1976                         if (error) {
1977                                 free(params.mode_buf, M_SCSICD);
1978                                 cam_periph_unlock(periph);
1979                                 break;
1980                         }
1981                         page = cdgetpage(&params);
1982
1983                         page->audio.port[LEFT_PORT].channels = 0;
1984                         page->audio.port[RIGHT_PORT].channels = 0;
1985                         page->audio.port[2].channels = 0;
1986                         page->audio.port[3].channels = 0;
1987                         error = cdsetmode(periph, &params);
1988                         free(params.mode_buf, M_SCSICD);
1989                         cam_periph_unlock(periph);
1990                 }
1991                 break;
1992         case CDIOCSETLEFT:
1993                 {
1994                         struct cd_mode_params params;
1995                         union cd_pages *page;
1996
1997                         params.alloc_len = sizeof(union cd_mode_data_6_10);
1998                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
1999                                                  M_WAITOK | M_ZERO);
2000
2001                         cam_periph_lock(periph);
2002                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2003                                   ("trying to do CDIOCSETLEFT\n"));
2004
2005                         error = cdgetmode(periph, &params, AUDIO_PAGE);
2006                         if (error) {
2007                                 free(params.mode_buf, M_SCSICD);
2008                                 cam_periph_unlock(periph);
2009                                 break;
2010                         }
2011                         page = cdgetpage(&params);
2012
2013                         page->audio.port[LEFT_PORT].channels = LEFT_CHANNEL;
2014                         page->audio.port[RIGHT_PORT].channels = LEFT_CHANNEL;
2015                         page->audio.port[2].channels = 0;
2016                         page->audio.port[3].channels = 0;
2017                         error = cdsetmode(periph, &params);
2018                         free(params.mode_buf, M_SCSICD);
2019                         cam_periph_unlock(periph);
2020                 }
2021                 break;
2022         case CDIOCSETRIGHT:
2023                 {
2024                         struct cd_mode_params params;
2025                         union cd_pages *page;
2026
2027                         params.alloc_len = sizeof(union cd_mode_data_6_10);
2028                         params.mode_buf = malloc(params.alloc_len, M_SCSICD,
2029                                                  M_WAITOK | M_ZERO);
2030
2031                         cam_periph_lock(periph);
2032                         CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2033                                   ("trying to do CDIOCSETRIGHT\n"));
2034
2035                         error = cdgetmode(periph, &params, AUDIO_PAGE);
2036                         if (error) {
2037                                 free(params.mode_buf, M_SCSICD);
2038                                 cam_periph_unlock(periph);
2039                                 break;
2040                         }
2041                         page = cdgetpage(&params);
2042
2043                         page->audio.port[LEFT_PORT].channels = RIGHT_CHANNEL;
2044                         page->audio.port[RIGHT_PORT].channels = RIGHT_CHANNEL;
2045                         page->audio.port[2].channels = 0;
2046                         page->audio.port[3].channels = 0;
2047                         error = cdsetmode(periph, &params);
2048                         free(params.mode_buf, M_SCSICD);
2049                         cam_periph_unlock(periph);
2050                 }
2051                 break;
2052         case CDIOCRESUME:
2053                 cam_periph_lock(periph);
2054                 error = cdpause(periph, 1);
2055                 cam_periph_unlock(periph);
2056                 break;
2057         case CDIOCPAUSE:
2058                 cam_periph_lock(periph);
2059                 error = cdpause(periph, 0);
2060                 cam_periph_unlock(periph);
2061                 break;
2062         case CDIOCSTART:
2063                 cam_periph_lock(periph);
2064                 error = cdstartunit(periph, 0);
2065                 cam_periph_unlock(periph);
2066                 break;
2067         case CDIOCCLOSE:
2068                 cam_periph_lock(periph);
2069                 error = cdstartunit(periph, 1);
2070                 cam_periph_unlock(periph);
2071                 break;
2072         case CDIOCSTOP:
2073                 cam_periph_lock(periph);
2074                 error = cdstopunit(periph, 0);
2075                 cam_periph_unlock(periph);
2076                 break;
2077         case CDIOCEJECT:
2078                 cam_periph_lock(periph);
2079                 error = cdstopunit(periph, 1);
2080                 cam_periph_unlock(periph);
2081                 break;
2082         case CDIOCALLOW:
2083                 cam_periph_lock(periph);
2084                 cdprevent(periph, PR_ALLOW);
2085                 cam_periph_unlock(periph);
2086                 break;
2087         case CDIOCPREVENT:
2088                 cam_periph_lock(periph);
2089                 cdprevent(periph, PR_PREVENT);
2090                 cam_periph_unlock(periph);
2091                 break;
2092         case CDIOCSETDEBUG:
2093                 /* sc_link->flags |= (SDEV_DB1 | SDEV_DB2); */
2094                 error = ENOTTY;
2095                 break;
2096         case CDIOCCLRDEBUG:
2097                 /* sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2); */
2098                 error = ENOTTY;
2099                 break;
2100         case CDIOCRESET:
2101                 /* return (cd_reset(periph)); */
2102                 error = ENOTTY;
2103                 break;
2104         case CDRIOCREADSPEED:
2105                 cam_periph_lock(periph);
2106                 error = cdsetspeed(periph, *(u_int32_t *)addr, CDR_MAX_SPEED);
2107                 cam_periph_unlock(periph);
2108                 break;
2109         case CDRIOCWRITESPEED:
2110                 cam_periph_lock(periph);
2111                 error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr);
2112                 cam_periph_unlock(periph);
2113                 break;
2114         case CDRIOCGETBLOCKSIZE:
2115                 *(int *)addr = softc->params.blksize;
2116                 break;
2117         case CDRIOCSETBLOCKSIZE:
2118                 if (*(int *)addr <= 0) {
2119                         error = EINVAL;
2120                         break;
2121                 }
2122                 softc->disk->d_sectorsize = softc->params.blksize = *(int *)addr;
2123                 break;
2124         case DVDIOCSENDKEY:
2125         case DVDIOCREPORTKEY: {
2126                 struct dvd_authinfo *authinfo;
2127
2128                 authinfo = (struct dvd_authinfo *)addr;
2129
2130                 if (cmd == DVDIOCREPORTKEY)
2131                         error = cdreportkey(periph, authinfo);
2132                 else
2133                         error = cdsendkey(periph, authinfo);
2134                 break;
2135                 }
2136         case DVDIOCREADSTRUCTURE: {
2137                 struct dvd_struct *dvdstruct;
2138
2139                 dvdstruct = (struct dvd_struct *)addr;
2140
2141                 error = cdreaddvdstructure(periph, dvdstruct);
2142
2143                 break;
2144         }
2145         default:
2146                 cam_periph_lock(periph);
2147                 error = cam_periph_ioctl(periph, cmd, addr, cderror);
2148                 cam_periph_unlock(periph);
2149                 break;
2150         }
2151
2152         cam_periph_lock(periph);
2153         cam_periph_unhold(periph);
2154
2155         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("leaving cdioctl\n"));
2156         if (error && bootverbose) {
2157                 printf("scsi_cd.c::ioctl cmd=%08lx error=%d\n", cmd, error);
2158         }
2159         cam_periph_unlock(periph);
2160
2161         return (error);
2162 }
2163
2164 static void
2165 cdprevent(struct cam_periph *periph, int action)
2166 {
2167         union   ccb *ccb;
2168         struct  cd_softc *softc;
2169         int     error;
2170
2171         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdprevent\n"));
2172
2173         softc = (struct cd_softc *)periph->softc;
2174
2175         if (((action == PR_ALLOW)
2176           && (softc->flags & CD_FLAG_DISC_LOCKED) == 0)
2177          || ((action == PR_PREVENT)
2178           && (softc->flags & CD_FLAG_DISC_LOCKED) != 0)) {
2179                 return;
2180         }
2181
2182         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2183
2184         scsi_prevent(&ccb->csio,
2185                      /*retries*/ cd_retry_count,
2186                      cddone,
2187                      MSG_SIMPLE_Q_TAG,
2188                      action,
2189                      SSD_FULL_SIZE,
2190                      /* timeout */60000);
2191
2192         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2193                         /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2194
2195         xpt_release_ccb(ccb);
2196
2197         if (error == 0) {
2198                 if (action == PR_ALLOW)
2199                         softc->flags &= ~CD_FLAG_DISC_LOCKED;
2200                 else
2201                         softc->flags |= CD_FLAG_DISC_LOCKED;
2202         }
2203 }
2204
2205 /*
2206  * XXX: the disk media and sector size is only really able to change
2207  * XXX: while the device is closed.
2208  */
2209 static int
2210 cdcheckmedia(struct cam_periph *periph)
2211 {
2212         struct cd_softc *softc;
2213         struct ioc_toc_header *toch;
2214         struct cd_toc_single leadout;
2215         u_int32_t size, toclen;
2216         int error, num_entries, cdindex;
2217
2218         softc = (struct cd_softc *)periph->softc;
2219
2220         cdprevent(periph, PR_PREVENT);
2221         softc->disk->d_sectorsize = 2048;
2222         softc->disk->d_mediasize = 0;
2223
2224         /*
2225          * Get the disc size and block size.  If we can't get it, we don't
2226          * have media, most likely.
2227          */
2228         if ((error = cdsize(periph, &size)) != 0) {
2229                 softc->flags &= ~(CD_FLAG_VALID_MEDIA|CD_FLAG_VALID_TOC);
2230                 cdprevent(periph, PR_ALLOW);
2231                 return (error);
2232         } else {
2233                 softc->flags |= CD_FLAG_SAW_MEDIA | CD_FLAG_VALID_MEDIA;
2234                 softc->disk->d_sectorsize = softc->params.blksize;
2235                 softc->disk->d_mediasize =
2236                     (off_t)softc->params.blksize * softc->params.disksize;
2237         }
2238
2239         /*
2240          * Now we check the table of contents.  This (currently) is only
2241          * used for the CDIOCPLAYTRACKS ioctl.  It may be used later to do
2242          * things like present a separate entry in /dev for each track,
2243          * like that acd(4) driver does.
2244          */
2245         bzero(&softc->toc, sizeof(softc->toc));
2246         toch = &softc->toc.header;
2247         /*
2248          * We will get errors here for media that doesn't have a table of
2249          * contents.  According to the MMC-3 spec: "When a Read TOC/PMA/ATIP
2250          * command is presented for a DDCD/CD-R/RW media, where the first TOC
2251          * has not been recorded (no complete session) and the Format codes
2252          * 0000b, 0001b, or 0010b are specified, this command shall be rejected
2253          * with an INVALID FIELD IN CDB.  Devices that are not capable of
2254          * reading an incomplete session on DDC/CD-R/RW media shall report
2255          * CANNOT READ MEDIUM - INCOMPATIBLE FORMAT."
2256          *
2257          * So this isn't fatal if we can't read the table of contents, it
2258          * just means that the user won't be able to issue the play tracks
2259          * ioctl, and likely lots of other stuff won't work either.  They
2260          * need to burn the CD before we can do a whole lot with it.  So
2261          * we don't print anything here if we get an error back.
2262          */
2263         error = cdreadtoc(periph, 0, 0, (u_int8_t *)toch, sizeof(*toch),
2264                           SF_NO_PRINT);
2265         /*
2266          * Errors in reading the table of contents aren't fatal, we just
2267          * won't have a valid table of contents cached.
2268          */
2269         if (error != 0) {
2270                 error = 0;
2271                 bzero(&softc->toc, sizeof(softc->toc));
2272                 goto bailout;
2273         }
2274
2275         if (softc->quirks & CD_Q_BCD_TRACKS) {
2276                 toch->starting_track = bcd2bin(toch->starting_track);
2277                 toch->ending_track = bcd2bin(toch->ending_track);
2278         }
2279
2280         /* Number of TOC entries, plus leadout */
2281         num_entries = (toch->ending_track - toch->starting_track) + 2;
2282
2283         if (num_entries <= 0)
2284                 goto bailout;
2285
2286         toclen = num_entries * sizeof(struct cd_toc_entry);
2287
2288         error = cdreadtoc(periph, CD_MSF_FORMAT, toch->starting_track,
2289                           (u_int8_t *)&softc->toc, toclen + sizeof(*toch),
2290                           SF_NO_PRINT);
2291         if (error != 0) {
2292                 error = 0;
2293                 bzero(&softc->toc, sizeof(softc->toc));
2294                 goto bailout;
2295         }
2296
2297         if (softc->quirks & CD_Q_BCD_TRACKS) {
2298                 toch->starting_track = bcd2bin(toch->starting_track);
2299                 toch->ending_track = bcd2bin(toch->ending_track);
2300         }
2301         /*
2302          * XXX KDM is this necessary?  Probably only if the drive doesn't
2303          * return leadout information with the table of contents.
2304          */
2305         cdindex = toch->starting_track + num_entries -1;
2306         if (cdindex == toch->ending_track + 1) {
2307
2308                 error = cdreadtoc(periph, CD_MSF_FORMAT, LEADOUT,
2309                                   (u_int8_t *)&leadout, sizeof(leadout),
2310                                   SF_NO_PRINT);
2311                 if (error != 0) {
2312                         error = 0;
2313                         goto bailout;
2314                 }
2315                 softc->toc.entries[cdindex - toch->starting_track] =
2316                         leadout.entry;
2317         }
2318         if (softc->quirks & CD_Q_BCD_TRACKS) {
2319                 for (cdindex = 0; cdindex < num_entries - 1; cdindex++) {
2320                         softc->toc.entries[cdindex].track =
2321                                 bcd2bin(softc->toc.entries[cdindex].track);
2322                 }
2323         }
2324
2325         softc->flags |= CD_FLAG_VALID_TOC;
2326
2327         /* If the first track is audio, correct sector size. */
2328         if ((softc->toc.entries[0].control & 4) == 0) {
2329                 softc->disk->d_sectorsize = softc->params.blksize = 2352;
2330                 softc->disk->d_mediasize =
2331                     (off_t)softc->params.blksize * softc->params.disksize;
2332         }
2333
2334 bailout:
2335
2336         /*
2337          * We unconditionally (re)set the blocksize each time the
2338          * CD device is opened.  This is because the CD can change,
2339          * and therefore the blocksize might change.
2340          * XXX problems here if some slice or partition is still
2341          * open with the old size?
2342          */
2343         if ((softc->disk->d_devstat->flags & DEVSTAT_BS_UNAVAILABLE) != 0)
2344                 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
2345         softc->disk->d_devstat->block_size = softc->params.blksize;
2346
2347         return (error);
2348 }
2349
2350 static int
2351 cdsize(struct cam_periph *periph, u_int32_t *size)
2352 {
2353         struct cd_softc *softc;
2354         union ccb *ccb;
2355         struct scsi_read_capacity_data *rcap_buf;
2356         int error;
2357
2358         CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering cdsize\n"));
2359
2360         softc = (struct cd_softc *)periph->softc;
2361
2362         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2363
2364         /* XXX Should be M_WAITOK */
2365         rcap_buf = malloc(sizeof(struct scsi_read_capacity_data),
2366                           M_SCSICD, M_NOWAIT | M_ZERO);
2367         if (rcap_buf == NULL)
2368                 return (ENOMEM);
2369
2370         scsi_read_capacity(&ccb->csio,
2371                            /*retries*/ cd_retry_count,
2372                            cddone,
2373                            MSG_SIMPLE_Q_TAG,
2374                            rcap_buf,
2375                            SSD_FULL_SIZE,
2376                            /* timeout */20000);
2377
2378         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2379                          /*sense_flags*/SF_RETRY_UA|SF_NO_PRINT);
2380
2381         xpt_release_ccb(ccb);
2382
2383         softc->params.disksize = scsi_4btoul(rcap_buf->addr) + 1;
2384         softc->params.blksize  = scsi_4btoul(rcap_buf->length);
2385         /* Make sure we got at least some block size. */
2386         if (error == 0 && softc->params.blksize == 0)
2387                 error = EIO;
2388         /*
2389          * SCSI-3 mandates that the reported blocksize shall be 2048.
2390          * Older drives sometimes report funny values, trim it down to
2391          * 2048, or other parts of the kernel will get confused.
2392          *
2393          * XXX we leave drives alone that might report 512 bytes, as
2394          * well as drives reporting more weird sizes like perhaps 4K.
2395          */
2396         if (softc->params.blksize > 2048 && softc->params.blksize <= 2352)
2397                 softc->params.blksize = 2048;
2398
2399         free(rcap_buf, M_SCSICD);
2400         *size = softc->params.disksize;
2401
2402         return (error);
2403
2404 }
2405
2406 static int
2407 cd6byteworkaround(union ccb *ccb)
2408 {
2409         u_int8_t *cdb;
2410         struct cam_periph *periph;
2411         struct cd_softc *softc;
2412         struct cd_mode_params *params;
2413         int frozen, found;
2414
2415         periph = xpt_path_periph(ccb->ccb_h.path);
2416         softc = (struct cd_softc *)periph->softc;
2417
2418         cdb = ccb->csio.cdb_io.cdb_bytes;
2419
2420         if ((ccb->ccb_h.flags & CAM_CDB_POINTER)
2421          || ((cdb[0] != MODE_SENSE_6)
2422           && (cdb[0] != MODE_SELECT_6)))
2423                 return (0);
2424
2425         /*
2426          * Because there is no convenient place to stash the overall
2427          * cd_mode_params structure pointer, we have to grab it like this.
2428          * This means that ALL MODE_SENSE and MODE_SELECT requests in the
2429          * cd(4) driver MUST go through cdgetmode() and cdsetmode()!
2430          *
2431          * XXX It would be nice if, at some point, we could increase the
2432          * number of available peripheral private pointers.  Both pointers
2433          * are currently used in most every peripheral driver.
2434          */
2435         found = 0;
2436
2437         STAILQ_FOREACH(params, &softc->mode_queue, links) {
2438                 if (params->mode_buf == ccb->csio.data_ptr) {
2439                         found = 1;
2440                         break;
2441                 }
2442         }
2443
2444         /*
2445          * This shouldn't happen.  All mode sense and mode select
2446          * operations in the cd(4) driver MUST go through cdgetmode() and
2447          * cdsetmode()!
2448          */
2449         if (found == 0) {
2450                 xpt_print(periph->path,
2451                     "mode buffer not found in mode queue!\n");
2452                 return (0);
2453         }
2454
2455         params->cdb_size = 10;
2456         softc->minimum_command_size = 10;
2457         xpt_print(ccb->ccb_h.path,
2458             "%s(6) failed, increasing minimum CDB size to 10 bytes\n",
2459             (cdb[0] == MODE_SENSE_6) ? "MODE_SENSE" : "MODE_SELECT");
2460
2461         if (cdb[0] == MODE_SENSE_6) {
2462                 struct scsi_mode_sense_10 ms10;
2463                 struct scsi_mode_sense_6 *ms6;
2464                 int len;
2465
2466                 ms6 = (struct scsi_mode_sense_6 *)cdb;
2467
2468                 bzero(&ms10, sizeof(ms10));
2469                 ms10.opcode = MODE_SENSE_10;
2470                 ms10.byte2 = ms6->byte2;
2471                 ms10.page = ms6->page;
2472
2473                 /*
2474                  * 10 byte mode header, block descriptor,
2475                  * sizeof(union cd_pages)
2476                  */
2477                 len = sizeof(struct cd_mode_data_10);
2478                 ccb->csio.dxfer_len = len;
2479
2480                 scsi_ulto2b(len, ms10.length);
2481                 ms10.control = ms6->control;
2482                 bcopy(&ms10, cdb, 10);
2483                 ccb->csio.cdb_len = 10;
2484         } else {
2485                 struct scsi_mode_select_10 ms10;
2486                 struct scsi_mode_select_6 *ms6;
2487                 struct scsi_mode_header_6 *header6;
2488                 struct scsi_mode_header_10 *header10;
2489                 struct scsi_mode_page_header *page_header;
2490                 int blk_desc_len, page_num, page_size, len;
2491
2492                 ms6 = (struct scsi_mode_select_6 *)cdb;
2493
2494                 bzero(&ms10, sizeof(ms10));
2495                 ms10.opcode = MODE_SELECT_10;
2496                 ms10.byte2 = ms6->byte2;
2497
2498                 header6 = (struct scsi_mode_header_6 *)params->mode_buf;
2499                 header10 = (struct scsi_mode_header_10 *)params->mode_buf;
2500
2501                 page_header = find_mode_page_6(header6);
2502                 page_num = page_header->page_code;
2503
2504                 blk_desc_len = header6->blk_desc_len;
2505
2506                 page_size = cdgetpagesize(page_num);
2507
2508                 if (page_size != (page_header->page_length +
2509                     sizeof(*page_header)))
2510                         page_size = page_header->page_length +
2511                                 sizeof(*page_header);
2512
2513                 len = sizeof(*header10) + blk_desc_len + page_size;
2514
2515                 len = min(params->alloc_len, len);
2516
2517                 /*
2518                  * Since the 6 byte parameter header is shorter than the 10
2519                  * byte parameter header, we need to copy the actual mode
2520                  * page data, and the block descriptor, if any, so things wind
2521                  * up in the right place.  The regions will overlap, but
2522                  * bcopy() does the right thing.
2523                  */
2524                 bcopy(params->mode_buf + sizeof(*header6),
2525                       params->mode_buf + sizeof(*header10),
2526                       len - sizeof(*header10));
2527
2528                 /* Make sure these fields are set correctly. */
2529                 scsi_ulto2b(0, header10->data_length);
2530                 header10->medium_type = 0;
2531                 scsi_ulto2b(blk_desc_len, header10->blk_desc_len);
2532
2533                 ccb->csio.dxfer_len = len;
2534
2535                 scsi_ulto2b(len, ms10.length);
2536                 ms10.control = ms6->control;
2537                 bcopy(&ms10, cdb, 10);
2538                 ccb->csio.cdb_len = 10;
2539         }
2540
2541         frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2542         ccb->ccb_h.status = CAM_REQUEUE_REQ;
2543         xpt_action(ccb);
2544         if (frozen) {
2545                 cam_release_devq(ccb->ccb_h.path,
2546                                  /*relsim_flags*/0,
2547                                  /*openings*/0,
2548                                  /*timeout*/0,
2549                                  /*getcount_only*/0);
2550         }
2551
2552         return (ERESTART);
2553 }
2554
2555 static int
2556 cderror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
2557 {
2558         struct cd_softc *softc;
2559         struct cam_periph *periph;
2560         int error, error_code, sense_key, asc, ascq;
2561
2562         periph = xpt_path_periph(ccb->ccb_h.path);
2563         softc = (struct cd_softc *)periph->softc;
2564
2565         error = 0;
2566
2567         /*
2568          * We use a status of CAM_REQ_INVALID as shorthand -- if a 6 byte
2569          * CDB comes back with this particular error, try transforming it
2570          * into the 10 byte version.
2571          */
2572         if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
2573                 error = cd6byteworkaround(ccb);
2574         } else if (scsi_extract_sense_ccb(ccb,
2575             &error_code, &sense_key, &asc, &ascq)) {
2576                 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
2577                         error = cd6byteworkaround(ccb);
2578                 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
2579                     asc == 0x28 && ascq == 0x00)
2580                         disk_media_changed(softc->disk, M_NOWAIT);
2581                 else if (sense_key == SSD_KEY_NOT_READY &&
2582                     asc == 0x3a && (softc->flags & CD_FLAG_SAW_MEDIA)) {
2583                         softc->flags &= ~CD_FLAG_SAW_MEDIA;
2584                         disk_media_gone(softc->disk, M_NOWAIT);
2585                 }
2586         }
2587
2588         if (error == ERESTART)
2589                 return (error);
2590
2591         /*
2592          * XXX
2593          * Until we have a better way of doing pack validation,
2594          * don't treat UAs as errors.
2595          */
2596         sense_flags |= SF_RETRY_UA;
2597
2598         if (softc->quirks & CD_Q_RETRY_BUSY)
2599                 sense_flags |= SF_RETRY_BUSY;
2600         return (cam_periph_error(ccb, cam_flags, sense_flags,
2601                                  &softc->saved_ccb));
2602 }
2603
2604 static void
2605 cdmediapoll(void *arg)
2606 {
2607         struct cam_periph *periph = arg;
2608         struct cd_softc *softc = periph->softc;
2609
2610         if (softc->state == CD_STATE_NORMAL && !softc->tur &&
2611             softc->outstanding_cmds == 0) {
2612                 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
2613                         softc->tur = 1;
2614                         xpt_schedule(periph, CAM_PRIORITY_NORMAL);
2615                 }
2616         }
2617         /* Queue us up again */
2618         if (cd_poll_period != 0)
2619                 callout_schedule(&softc->mediapoll_c, cd_poll_period * hz);
2620 }
2621
2622 /*
2623  * Read table of contents
2624  */
2625 static int
2626 cdreadtoc(struct cam_periph *periph, u_int32_t mode, u_int32_t start,
2627           u_int8_t *data, u_int32_t len, u_int32_t sense_flags)
2628 {
2629         struct scsi_read_toc *scsi_cmd;
2630         u_int32_t ntoc;
2631         struct ccb_scsiio *csio;
2632         union ccb *ccb;
2633         int error;
2634
2635         ntoc = len;
2636         error = 0;
2637
2638         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2639
2640         csio = &ccb->csio;
2641
2642         cam_fill_csio(csio,
2643                       /* retries */ cd_retry_count,
2644                       /* cbfcnp */ cddone,
2645                       /* flags */ CAM_DIR_IN,
2646                       /* tag_action */ MSG_SIMPLE_Q_TAG,
2647                       /* data_ptr */ data,
2648                       /* dxfer_len */ len,
2649                       /* sense_len */ SSD_FULL_SIZE,
2650                       sizeof(struct scsi_read_toc),
2651                       /* timeout */ 50000);
2652
2653         scsi_cmd = (struct scsi_read_toc *)&csio->cdb_io.cdb_bytes;
2654         bzero (scsi_cmd, sizeof(*scsi_cmd));
2655
2656         if (mode == CD_MSF_FORMAT)
2657                 scsi_cmd->byte2 |= CD_MSF;
2658         scsi_cmd->from_track = start;
2659         /* scsi_ulto2b(ntoc, (u_int8_t *)scsi_cmd->data_len); */
2660         scsi_cmd->data_len[0] = (ntoc) >> 8;
2661         scsi_cmd->data_len[1] = (ntoc) & 0xff;
2662
2663         scsi_cmd->op_code = READ_TOC;
2664
2665         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2666                          /*sense_flags*/SF_RETRY_UA | sense_flags);
2667
2668         xpt_release_ccb(ccb);
2669
2670         return(error);
2671 }
2672
2673 static int
2674 cdreadsubchannel(struct cam_periph *periph, u_int32_t mode,
2675                  u_int32_t format, int track,
2676                  struct cd_sub_channel_info *data, u_int32_t len)
2677 {
2678         struct scsi_read_subchannel *scsi_cmd;
2679         struct ccb_scsiio *csio;
2680         union ccb *ccb;
2681         int error;
2682
2683         error = 0;
2684
2685         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2686
2687         csio = &ccb->csio;
2688
2689         cam_fill_csio(csio,
2690                       /* retries */ cd_retry_count,
2691                       /* cbfcnp */ cddone,
2692                       /* flags */ CAM_DIR_IN,
2693                       /* tag_action */ MSG_SIMPLE_Q_TAG,
2694                       /* data_ptr */ (u_int8_t *)data,
2695                       /* dxfer_len */ len,
2696                       /* sense_len */ SSD_FULL_SIZE,
2697                       sizeof(struct scsi_read_subchannel),
2698                       /* timeout */ 50000);
2699
2700         scsi_cmd = (struct scsi_read_subchannel *)&csio->cdb_io.cdb_bytes;
2701         bzero (scsi_cmd, sizeof(*scsi_cmd));
2702
2703         scsi_cmd->op_code = READ_SUBCHANNEL;
2704         if (mode == CD_MSF_FORMAT)
2705                 scsi_cmd->byte1 |= CD_MSF;
2706         scsi_cmd->byte2 = SRS_SUBQ;
2707         scsi_cmd->subchan_format = format;
2708         scsi_cmd->track = track;
2709         scsi_ulto2b(len, (u_int8_t *)scsi_cmd->data_len);
2710         scsi_cmd->control = 0;
2711
2712         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2713                          /*sense_flags*/SF_RETRY_UA);
2714
2715         xpt_release_ccb(ccb);
2716
2717         return(error);
2718 }
2719
2720
2721 /*
2722  * All MODE_SENSE requests in the cd(4) driver MUST go through this
2723  * routine.  See comments in cd6byteworkaround() for details.
2724  */
2725 static int
2726 cdgetmode(struct cam_periph *periph, struct cd_mode_params *data,
2727           u_int32_t page)
2728 {
2729         struct ccb_scsiio *csio;
2730         struct cd_softc *softc;
2731         union ccb *ccb;
2732         int param_len;
2733         int error;
2734
2735         softc = (struct cd_softc *)periph->softc;
2736
2737         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2738
2739         csio = &ccb->csio;
2740
2741         data->cdb_size = softc->minimum_command_size;
2742         if (data->cdb_size < 10)
2743                 param_len = sizeof(struct cd_mode_data);
2744         else
2745                 param_len = sizeof(struct cd_mode_data_10);
2746
2747         /* Don't say we've got more room than we actually allocated */
2748         param_len = min(param_len, data->alloc_len);
2749
2750         scsi_mode_sense_len(csio,
2751                             /* retries */ cd_retry_count,
2752                             /* cbfcnp */ cddone,
2753                             /* tag_action */ MSG_SIMPLE_Q_TAG,
2754                             /* dbd */ 0,
2755                             /* page_code */ SMS_PAGE_CTRL_CURRENT,
2756                             /* page */ page,
2757                             /* param_buf */ data->mode_buf,
2758                             /* param_len */ param_len,
2759                             /* minimum_cmd_size */ softc->minimum_command_size,
2760                             /* sense_len */ SSD_FULL_SIZE,
2761                             /* timeout */ 50000);
2762
2763         /*
2764          * It would be nice not to have to do this, but there's no
2765          * available pointer in the CCB that would allow us to stuff the
2766          * mode params structure in there and retrieve it in
2767          * cd6byteworkaround(), so we can set the cdb size.  The cdb size
2768          * lets the caller know what CDB size we ended up using, so they
2769          * can find the actual mode page offset.
2770          */
2771         STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
2772
2773         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2774                          /*sense_flags*/SF_RETRY_UA);
2775
2776         xpt_release_ccb(ccb);
2777
2778         STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
2779
2780         /*
2781          * This is a bit of belt-and-suspenders checking, but if we run
2782          * into a situation where the target sends back multiple block
2783          * descriptors, we might not have enough space in the buffer to
2784          * see the whole mode page.  Better to return an error than
2785          * potentially access memory beyond our malloced region.
2786          */
2787         if (error == 0) {
2788                 u_int32_t data_len;
2789
2790                 if (data->cdb_size == 10) {
2791                         struct scsi_mode_header_10 *hdr10;
2792
2793                         hdr10 = (struct scsi_mode_header_10 *)data->mode_buf;
2794                         data_len = scsi_2btoul(hdr10->data_length);
2795                         data_len += sizeof(hdr10->data_length);
2796                 } else {
2797                         struct scsi_mode_header_6 *hdr6;
2798
2799                         hdr6 = (struct scsi_mode_header_6 *)data->mode_buf;
2800                         data_len = hdr6->data_length;
2801                         data_len += sizeof(hdr6->data_length);
2802                 }
2803
2804                 /*
2805                  * Complain if there is more mode data available than we
2806                  * allocated space for.  This could potentially happen if
2807                  * we miscalculated the page length for some reason, if the
2808                  * drive returns multiple block descriptors, or if it sets
2809                  * the data length incorrectly.
2810                  */
2811                 if (data_len > data->alloc_len) {
2812                         xpt_print(periph->path, "allocated modepage %d length "
2813                             "%d < returned length %d\n", page, data->alloc_len,
2814                             data_len);
2815                         error = ENOSPC;
2816                 }
2817         }
2818         return (error);
2819 }
2820
2821 /*
2822  * All MODE_SELECT requests in the cd(4) driver MUST go through this
2823  * routine.  See comments in cd6byteworkaround() for details.
2824  */
2825 static int
2826 cdsetmode(struct cam_periph *periph, struct cd_mode_params *data)
2827 {
2828         struct ccb_scsiio *csio;
2829         struct cd_softc *softc;
2830         union ccb *ccb;
2831         int cdb_size, param_len;
2832         int error;
2833
2834         softc = (struct cd_softc *)periph->softc;
2835
2836         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2837
2838         csio = &ccb->csio;
2839
2840         error = 0;
2841
2842         /*
2843          * If the data is formatted for the 10 byte version of the mode
2844          * select parameter list, we need to use the 10 byte CDB.
2845          * Otherwise, we use whatever the stored minimum command size.
2846          */
2847         if (data->cdb_size == 10)
2848                 cdb_size = data->cdb_size;
2849         else
2850                 cdb_size = softc->minimum_command_size;
2851
2852         if (cdb_size >= 10) {
2853                 struct scsi_mode_header_10 *mode_header;
2854                 u_int32_t data_len;
2855
2856                 mode_header = (struct scsi_mode_header_10 *)data->mode_buf;
2857
2858                 data_len = scsi_2btoul(mode_header->data_length);
2859
2860                 scsi_ulto2b(0, mode_header->data_length);
2861                 /*
2862                  * SONY drives do not allow a mode select with a medium_type
2863                  * value that has just been returned by a mode sense; use a
2864                  * medium_type of 0 (Default) instead.
2865                  */
2866                 mode_header->medium_type = 0;
2867
2868                 /*
2869                  * Pass back whatever the drive passed to us, plus the size
2870                  * of the data length field.
2871                  */
2872                 param_len = data_len + sizeof(mode_header->data_length);
2873
2874         } else {
2875                 struct scsi_mode_header_6 *mode_header;
2876
2877                 mode_header = (struct scsi_mode_header_6 *)data->mode_buf;
2878
2879                 param_len = mode_header->data_length + 1;
2880
2881                 mode_header->data_length = 0;
2882                 /*
2883                  * SONY drives do not allow a mode select with a medium_type
2884                  * value that has just been returned by a mode sense; use a
2885                  * medium_type of 0 (Default) instead.
2886                  */
2887                 mode_header->medium_type = 0;
2888         }
2889
2890         /* Don't say we've got more room than we actually allocated */
2891         param_len = min(param_len, data->alloc_len);
2892
2893         scsi_mode_select_len(csio,
2894                              /* retries */ cd_retry_count,
2895                              /* cbfcnp */ cddone,
2896                              /* tag_action */ MSG_SIMPLE_Q_TAG,
2897                              /* scsi_page_fmt */ 1,
2898                              /* save_pages */ 0,
2899                              /* param_buf */ data->mode_buf,
2900                              /* param_len */ param_len,
2901                              /* minimum_cmd_size */ cdb_size,
2902                              /* sense_len */ SSD_FULL_SIZE,
2903                              /* timeout */ 50000);
2904
2905         /* See comments in cdgetmode() and cd6byteworkaround(). */
2906         STAILQ_INSERT_TAIL(&softc->mode_queue, data, links);
2907
2908         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2909                          /*sense_flags*/SF_RETRY_UA);
2910
2911         xpt_release_ccb(ccb);
2912
2913         STAILQ_REMOVE(&softc->mode_queue, data, cd_mode_params, links);
2914
2915         return (error);
2916 }
2917
2918
2919 static int
2920 cdplay(struct cam_periph *periph, u_int32_t blk, u_int32_t len)
2921 {
2922         struct ccb_scsiio *csio;
2923         union ccb *ccb;
2924         int error;
2925         u_int8_t cdb_len;
2926
2927         error = 0;
2928         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2929         csio = &ccb->csio;
2930         /*
2931          * Use the smallest possible command to perform the operation.
2932          */
2933         if ((len & 0xffff0000) == 0) {
2934                 /*
2935                  * We can fit in a 10 byte cdb.
2936                  */
2937                 struct scsi_play_10 *scsi_cmd;
2938
2939                 scsi_cmd = (struct scsi_play_10 *)&csio->cdb_io.cdb_bytes;
2940                 bzero (scsi_cmd, sizeof(*scsi_cmd));
2941                 scsi_cmd->op_code = PLAY_10;
2942                 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
2943                 scsi_ulto2b(len, (u_int8_t *)scsi_cmd->xfer_len);
2944                 cdb_len = sizeof(*scsi_cmd);
2945         } else  {
2946                 struct scsi_play_12 *scsi_cmd;
2947
2948                 scsi_cmd = (struct scsi_play_12 *)&csio->cdb_io.cdb_bytes;
2949                 bzero (scsi_cmd, sizeof(*scsi_cmd));
2950                 scsi_cmd->op_code = PLAY_12;
2951                 scsi_ulto4b(blk, (u_int8_t *)scsi_cmd->blk_addr);
2952                 scsi_ulto4b(len, (u_int8_t *)scsi_cmd->xfer_len);
2953                 cdb_len = sizeof(*scsi_cmd);
2954         }
2955         cam_fill_csio(csio,
2956                       /*retries*/ cd_retry_count,
2957                       cddone,
2958                       /*flags*/CAM_DIR_NONE,
2959                       MSG_SIMPLE_Q_TAG,
2960                       /*dataptr*/NULL,
2961                       /*datalen*/0,
2962                       /*sense_len*/SSD_FULL_SIZE,
2963                       cdb_len,
2964                       /*timeout*/50 * 1000);
2965
2966         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
2967                          /*sense_flags*/SF_RETRY_UA);
2968
2969         xpt_release_ccb(ccb);
2970
2971         return(error);
2972 }
2973
2974 static int
2975 cdplaymsf(struct cam_periph *periph, u_int32_t startm, u_int32_t starts,
2976           u_int32_t startf, u_int32_t endm, u_int32_t ends, u_int32_t endf)
2977 {
2978         struct scsi_play_msf *scsi_cmd;
2979         struct ccb_scsiio *csio;
2980         union ccb *ccb;
2981         int error;
2982
2983         error = 0;
2984
2985         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
2986
2987         csio = &ccb->csio;
2988
2989         cam_fill_csio(csio,
2990                       /* retries */ cd_retry_count,
2991                       /* cbfcnp */ cddone,
2992                       /* flags */ CAM_DIR_NONE,
2993                       /* tag_action */ MSG_SIMPLE_Q_TAG,
2994                       /* data_ptr */ NULL,
2995                       /* dxfer_len */ 0,
2996                       /* sense_len */ SSD_FULL_SIZE,
2997                       sizeof(struct scsi_play_msf),
2998                       /* timeout */ 50000);
2999
3000         scsi_cmd = (struct scsi_play_msf *)&csio->cdb_io.cdb_bytes;
3001         bzero (scsi_cmd, sizeof(*scsi_cmd));
3002
3003         scsi_cmd->op_code = PLAY_MSF;
3004         scsi_cmd->start_m = startm;
3005         scsi_cmd->start_s = starts;
3006         scsi_cmd->start_f = startf;
3007         scsi_cmd->end_m = endm;
3008         scsi_cmd->end_s = ends;
3009         scsi_cmd->end_f = endf;
3010
3011         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3012                          /*sense_flags*/SF_RETRY_UA);
3013
3014         xpt_release_ccb(ccb);
3015
3016         return(error);
3017 }
3018
3019
3020 static int
3021 cdplaytracks(struct cam_periph *periph, u_int32_t strack, u_int32_t sindex,
3022              u_int32_t etrack, u_int32_t eindex)
3023 {
3024         struct scsi_play_track *scsi_cmd;
3025         struct ccb_scsiio *csio;
3026         union ccb *ccb;
3027         int error;
3028
3029         error = 0;
3030
3031         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3032
3033         csio = &ccb->csio;
3034
3035         cam_fill_csio(csio,
3036                       /* retries */ cd_retry_count,
3037                       /* cbfcnp */ cddone,
3038                       /* flags */ CAM_DIR_NONE,
3039                       /* tag_action */ MSG_SIMPLE_Q_TAG,
3040                       /* data_ptr */ NULL,
3041                       /* dxfer_len */ 0,
3042                       /* sense_len */ SSD_FULL_SIZE,
3043                       sizeof(struct scsi_play_track),
3044                       /* timeout */ 50000);
3045
3046         scsi_cmd = (struct scsi_play_track *)&csio->cdb_io.cdb_bytes;
3047         bzero (scsi_cmd, sizeof(*scsi_cmd));
3048
3049         scsi_cmd->op_code = PLAY_TRACK;
3050         scsi_cmd->start_track = strack;
3051         scsi_cmd->start_index = sindex;
3052         scsi_cmd->end_track = etrack;
3053         scsi_cmd->end_index = eindex;
3054
3055         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3056                          /*sense_flags*/SF_RETRY_UA);
3057
3058         xpt_release_ccb(ccb);
3059
3060         return(error);
3061 }
3062
3063 static int
3064 cdpause(struct cam_periph *periph, u_int32_t go)
3065 {
3066         struct scsi_pause *scsi_cmd;
3067         struct ccb_scsiio *csio;
3068         union ccb *ccb;
3069         int error;
3070
3071         error = 0;
3072
3073         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3074
3075         csio = &ccb->csio;
3076
3077         cam_fill_csio(csio,
3078                       /* retries */ cd_retry_count,
3079                       /* cbfcnp */ cddone,
3080                       /* flags */ CAM_DIR_NONE,
3081                       /* tag_action */ MSG_SIMPLE_Q_TAG,
3082                       /* data_ptr */ NULL,
3083                       /* dxfer_len */ 0,
3084                       /* sense_len */ SSD_FULL_SIZE,
3085                       sizeof(struct scsi_pause),
3086                       /* timeout */ 50000);
3087
3088         scsi_cmd = (struct scsi_pause *)&csio->cdb_io.cdb_bytes;
3089         bzero (scsi_cmd, sizeof(*scsi_cmd));
3090
3091         scsi_cmd->op_code = PAUSE;
3092         scsi_cmd->resume = go;
3093
3094         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3095                          /*sense_flags*/SF_RETRY_UA);
3096
3097         xpt_release_ccb(ccb);
3098
3099         return(error);
3100 }
3101
3102 static int
3103 cdstartunit(struct cam_periph *periph, int load)
3104 {
3105         union ccb *ccb;
3106         int error;
3107
3108         error = 0;
3109
3110         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3111
3112         scsi_start_stop(&ccb->csio,
3113                         /* retries */ cd_retry_count,
3114                         /* cbfcnp */ cddone,
3115                         /* tag_action */ MSG_SIMPLE_Q_TAG,
3116                         /* start */ TRUE,
3117                         /* load_eject */ load,
3118                         /* immediate */ FALSE,
3119                         /* sense_len */ SSD_FULL_SIZE,
3120                         /* timeout */ 50000);
3121
3122         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3123                          /*sense_flags*/SF_RETRY_UA);
3124
3125         xpt_release_ccb(ccb);
3126
3127         return(error);
3128 }
3129
3130 static int
3131 cdstopunit(struct cam_periph *periph, u_int32_t eject)
3132 {
3133         union ccb *ccb;
3134         int error;
3135
3136         error = 0;
3137
3138         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3139
3140         scsi_start_stop(&ccb->csio,
3141                         /* retries */ cd_retry_count,
3142                         /* cbfcnp */ cddone,
3143                         /* tag_action */ MSG_SIMPLE_Q_TAG,
3144                         /* start */ FALSE,
3145                         /* load_eject */ eject,
3146                         /* immediate */ FALSE,
3147                         /* sense_len */ SSD_FULL_SIZE,
3148                         /* timeout */ 50000);
3149
3150         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3151                          /*sense_flags*/SF_RETRY_UA);
3152
3153         xpt_release_ccb(ccb);
3154
3155         return(error);
3156 }
3157
3158 static int
3159 cdsetspeed(struct cam_periph *periph, u_int32_t rdspeed, u_int32_t wrspeed)
3160 {
3161         struct scsi_set_speed *scsi_cmd;
3162         struct ccb_scsiio *csio;
3163         union ccb *ccb;
3164         int error;
3165
3166         error = 0;
3167         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3168         csio = &ccb->csio;
3169
3170         /* Preserve old behavior: units in multiples of CDROM speed */
3171         if (rdspeed < 177)
3172                 rdspeed *= 177;
3173         if (wrspeed < 177)
3174                 wrspeed *= 177;
3175
3176         cam_fill_csio(csio,
3177                       /* retries */ cd_retry_count,
3178                       /* cbfcnp */ cddone,
3179                       /* flags */ CAM_DIR_NONE,
3180                       /* tag_action */ MSG_SIMPLE_Q_TAG,
3181                       /* data_ptr */ NULL,
3182                       /* dxfer_len */ 0,
3183                       /* sense_len */ SSD_FULL_SIZE,
3184                       sizeof(struct scsi_set_speed),
3185                       /* timeout */ 50000);
3186
3187         scsi_cmd = (struct scsi_set_speed *)&csio->cdb_io.cdb_bytes;
3188         bzero(scsi_cmd, sizeof(*scsi_cmd));
3189
3190         scsi_cmd->opcode = SET_CD_SPEED;
3191         scsi_ulto2b(rdspeed, scsi_cmd->readspeed);
3192         scsi_ulto2b(wrspeed, scsi_cmd->writespeed);
3193
3194         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3195                          /*sense_flags*/SF_RETRY_UA);
3196
3197         xpt_release_ccb(ccb);
3198
3199         return(error);
3200 }
3201
3202 static int
3203 cdreportkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3204 {
3205         union ccb *ccb;
3206         u_int8_t *databuf;
3207         u_int32_t lba;
3208         int error;
3209         int length;
3210
3211         error = 0;
3212         databuf = NULL;
3213         lba = 0;
3214
3215         switch (authinfo->format) {
3216         case DVD_REPORT_AGID:
3217                 length = sizeof(struct scsi_report_key_data_agid);
3218                 break;
3219         case DVD_REPORT_CHALLENGE:
3220                 length = sizeof(struct scsi_report_key_data_challenge);
3221                 break;
3222         case DVD_REPORT_KEY1:
3223                 length = sizeof(struct scsi_report_key_data_key1_key2);
3224                 break;
3225         case DVD_REPORT_TITLE_KEY:
3226                 length = sizeof(struct scsi_report_key_data_title);
3227                 /* The lba field is only set for the title key */
3228                 lba = authinfo->lba;
3229                 break;
3230         case DVD_REPORT_ASF:
3231                 length = sizeof(struct scsi_report_key_data_asf);
3232                 break;
3233         case DVD_REPORT_RPC:
3234                 length = sizeof(struct scsi_report_key_data_rpc);
3235                 break;
3236         case DVD_INVALIDATE_AGID:
3237                 length = 0;
3238                 break;
3239         default:
3240                 return (EINVAL);
3241         }
3242
3243         if (length != 0) {
3244                 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3245         } else
3246                 databuf = NULL;
3247
3248         cam_periph_lock(periph);
3249         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3250
3251         scsi_report_key(&ccb->csio,
3252                         /* retries */ cd_retry_count,
3253                         /* cbfcnp */ cddone,
3254                         /* tag_action */ MSG_SIMPLE_Q_TAG,
3255                         /* lba */ lba,
3256                         /* agid */ authinfo->agid,
3257                         /* key_format */ authinfo->format,
3258                         /* data_ptr */ databuf,
3259                         /* dxfer_len */ length,
3260                         /* sense_len */ SSD_FULL_SIZE,
3261                         /* timeout */ 50000);
3262
3263         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3264                          /*sense_flags*/SF_RETRY_UA);
3265
3266         if (error != 0)
3267                 goto bailout;
3268
3269         if (ccb->csio.resid != 0) {
3270                 xpt_print(periph->path, "warning, residual for report key "
3271                     "command is %d\n", ccb->csio.resid);
3272         }
3273
3274         switch(authinfo->format) {
3275         case DVD_REPORT_AGID: {
3276                 struct scsi_report_key_data_agid *agid_data;
3277
3278                 agid_data = (struct scsi_report_key_data_agid *)databuf;
3279
3280                 authinfo->agid = (agid_data->agid & RKD_AGID_MASK) >>
3281                         RKD_AGID_SHIFT;
3282                 break;
3283         }
3284         case DVD_REPORT_CHALLENGE: {
3285                 struct scsi_report_key_data_challenge *chal_data;
3286
3287                 chal_data = (struct scsi_report_key_data_challenge *)databuf;
3288
3289                 bcopy(chal_data->challenge_key, authinfo->keychal,
3290                       min(sizeof(chal_data->challenge_key),
3291                           sizeof(authinfo->keychal)));
3292                 break;
3293         }
3294         case DVD_REPORT_KEY1: {
3295                 struct scsi_report_key_data_key1_key2 *key1_data;
3296
3297                 key1_data = (struct scsi_report_key_data_key1_key2 *)databuf;
3298
3299                 bcopy(key1_data->key1, authinfo->keychal,
3300                       min(sizeof(key1_data->key1), sizeof(authinfo->keychal)));
3301                 break;
3302         }
3303         case DVD_REPORT_TITLE_KEY: {
3304                 struct scsi_report_key_data_title *title_data;
3305
3306                 title_data = (struct scsi_report_key_data_title *)databuf;
3307
3308                 authinfo->cpm = (title_data->byte0 & RKD_TITLE_CPM) >>
3309                         RKD_TITLE_CPM_SHIFT;
3310                 authinfo->cp_sec = (title_data->byte0 & RKD_TITLE_CP_SEC) >>
3311                         RKD_TITLE_CP_SEC_SHIFT;
3312                 authinfo->cgms = (title_data->byte0 & RKD_TITLE_CMGS_MASK) >>
3313                         RKD_TITLE_CMGS_SHIFT;
3314                 bcopy(title_data->title_key, authinfo->keychal,
3315                       min(sizeof(title_data->title_key),
3316                           sizeof(authinfo->keychal)));
3317                 break;
3318         }
3319         case DVD_REPORT_ASF: {
3320                 struct scsi_report_key_data_asf *asf_data;
3321
3322                 asf_data = (struct scsi_report_key_data_asf *)databuf;
3323
3324                 authinfo->asf = asf_data->success & RKD_ASF_SUCCESS;
3325                 break;
3326         }
3327         case DVD_REPORT_RPC: {
3328                 struct scsi_report_key_data_rpc *rpc_data;
3329
3330                 rpc_data = (struct scsi_report_key_data_rpc *)databuf;
3331
3332                 authinfo->reg_type = (rpc_data->byte4 & RKD_RPC_TYPE_MASK) >>
3333                         RKD_RPC_TYPE_SHIFT;
3334                 authinfo->vend_rsts =
3335                         (rpc_data->byte4 & RKD_RPC_VENDOR_RESET_MASK) >>
3336                         RKD_RPC_VENDOR_RESET_SHIFT;
3337                 authinfo->user_rsts = rpc_data->byte4 & RKD_RPC_USER_RESET_MASK;
3338                 authinfo->region = rpc_data->region_mask;
3339                 authinfo->rpc_scheme = rpc_data->rpc_scheme1;
3340                 break;
3341         }
3342         case DVD_INVALIDATE_AGID:
3343                 break;
3344         default:
3345                 /* This should be impossible, since we checked above */
3346                 error = EINVAL;
3347                 goto bailout;
3348                 break; /* NOTREACHED */
3349         }
3350
3351 bailout:
3352         xpt_release_ccb(ccb);
3353         cam_periph_unlock(periph);
3354
3355         if (databuf != NULL)
3356                 free(databuf, M_DEVBUF);
3357
3358         return(error);
3359 }
3360
3361 static int
3362 cdsendkey(struct cam_periph *periph, struct dvd_authinfo *authinfo)
3363 {
3364         union ccb *ccb;
3365         u_int8_t *databuf;
3366         int length;
3367         int error;
3368
3369         error = 0;
3370         databuf = NULL;
3371
3372         switch(authinfo->format) {
3373         case DVD_SEND_CHALLENGE: {
3374                 struct scsi_report_key_data_challenge *challenge_data;
3375
3376                 length = sizeof(*challenge_data);
3377
3378                 challenge_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3379
3380                 databuf = (u_int8_t *)challenge_data;
3381
3382                 scsi_ulto2b(length - sizeof(challenge_data->data_len),
3383                             challenge_data->data_len);
3384
3385                 bcopy(authinfo->keychal, challenge_data->challenge_key,
3386                       min(sizeof(authinfo->keychal),
3387                           sizeof(challenge_data->challenge_key)));
3388                 break;
3389         }
3390         case DVD_SEND_KEY2: {
3391                 struct scsi_report_key_data_key1_key2 *key2_data;
3392
3393                 length = sizeof(*key2_data);
3394
3395                 key2_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3396
3397                 databuf = (u_int8_t *)key2_data;
3398
3399                 scsi_ulto2b(length - sizeof(key2_data->data_len),
3400                             key2_data->data_len);
3401
3402                 bcopy(authinfo->keychal, key2_data->key1,
3403                       min(sizeof(authinfo->keychal), sizeof(key2_data->key1)));
3404
3405                 break;
3406         }
3407         case DVD_SEND_RPC: {
3408                 struct scsi_send_key_data_rpc *rpc_data;
3409
3410                 length = sizeof(*rpc_data);
3411
3412                 rpc_data = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3413
3414                 databuf = (u_int8_t *)rpc_data;
3415
3416                 scsi_ulto2b(length - sizeof(rpc_data->data_len),
3417                             rpc_data->data_len);
3418
3419                 rpc_data->region_code = authinfo->region;
3420                 break;
3421         }
3422         default:
3423                 return (EINVAL);
3424         }
3425
3426         cam_periph_lock(periph);
3427         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3428
3429         scsi_send_key(&ccb->csio,
3430                       /* retries */ cd_retry_count,
3431                       /* cbfcnp */ cddone,
3432                       /* tag_action */ MSG_SIMPLE_Q_TAG,
3433                       /* agid */ authinfo->agid,
3434                       /* key_format */ authinfo->format,
3435                       /* data_ptr */ databuf,
3436                       /* dxfer_len */ length,
3437                       /* sense_len */ SSD_FULL_SIZE,
3438                       /* timeout */ 50000);
3439
3440         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3441                          /*sense_flags*/SF_RETRY_UA);
3442
3443         xpt_release_ccb(ccb);
3444         cam_periph_unlock(periph);
3445
3446         if (databuf != NULL)
3447                 free(databuf, M_DEVBUF);
3448
3449         return(error);
3450 }
3451
3452 static int
3453 cdreaddvdstructure(struct cam_periph *periph, struct dvd_struct *dvdstruct)
3454 {
3455         union ccb *ccb;
3456         u_int8_t *databuf;
3457         u_int32_t address;
3458         int error;
3459         int length;
3460
3461         error = 0;
3462         databuf = NULL;
3463         /* The address is reserved for many of the formats */
3464         address = 0;
3465
3466         switch(dvdstruct->format) {
3467         case DVD_STRUCT_PHYSICAL:
3468                 length = sizeof(struct scsi_read_dvd_struct_data_physical);
3469                 break;
3470         case DVD_STRUCT_COPYRIGHT:
3471                 length = sizeof(struct scsi_read_dvd_struct_data_copyright);
3472                 break;
3473         case DVD_STRUCT_DISCKEY:
3474                 length = sizeof(struct scsi_read_dvd_struct_data_disc_key);
3475                 break;
3476         case DVD_STRUCT_BCA:
3477                 length = sizeof(struct scsi_read_dvd_struct_data_bca);
3478                 break;
3479         case DVD_STRUCT_MANUFACT:
3480                 length = sizeof(struct scsi_read_dvd_struct_data_manufacturer);
3481                 break;
3482         case DVD_STRUCT_CMI:
3483                 return (ENODEV);
3484         case DVD_STRUCT_PROTDISCID:
3485                 length = sizeof(struct scsi_read_dvd_struct_data_prot_discid);
3486                 break;
3487         case DVD_STRUCT_DISCKEYBLOCK:
3488                 length = sizeof(struct scsi_read_dvd_struct_data_disc_key_blk);
3489                 break;
3490         case DVD_STRUCT_DDS:
3491                 length = sizeof(struct scsi_read_dvd_struct_data_dds);
3492                 break;
3493         case DVD_STRUCT_MEDIUM_STAT:
3494                 length = sizeof(struct scsi_read_dvd_struct_data_medium_status);
3495                 break;
3496         case DVD_STRUCT_SPARE_AREA:
3497                 length = sizeof(struct scsi_read_dvd_struct_data_spare_area);
3498                 break;
3499         case DVD_STRUCT_RMD_LAST:
3500                 return (ENODEV);
3501         case DVD_STRUCT_RMD_RMA:
3502                 return (ENODEV);
3503         case DVD_STRUCT_PRERECORDED:
3504                 length = sizeof(struct scsi_read_dvd_struct_data_leadin);
3505                 break;
3506         case DVD_STRUCT_UNIQUEID:
3507                 length = sizeof(struct scsi_read_dvd_struct_data_disc_id);
3508                 break;
3509         case DVD_STRUCT_DCB:
3510                 return (ENODEV);
3511         case DVD_STRUCT_LIST:
3512                 /*
3513                  * This is the maximum allocation length for the READ DVD
3514                  * STRUCTURE command.  There's nothing in the MMC3 spec
3515                  * that indicates a limit in the amount of data that can
3516                  * be returned from this call, other than the limits
3517                  * imposed by the 2-byte length variables.
3518                  */
3519                 length = 65535;
3520                 break;
3521         default:
3522                 return (EINVAL);
3523         }
3524
3525         if (length != 0) {
3526                 databuf = malloc(length, M_DEVBUF, M_WAITOK | M_ZERO);
3527         } else
3528                 databuf = NULL;
3529
3530         cam_periph_lock(periph);
3531         ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3532
3533         scsi_read_dvd_structure(&ccb->csio,
3534                                 /* retries */ cd_retry_count,
3535                                 /* cbfcnp */ cddone,
3536                                 /* tag_action */ MSG_SIMPLE_Q_TAG,
3537                                 /* lba */ address,
3538                                 /* layer_number */ dvdstruct->layer_num,
3539                                 /* key_format */ dvdstruct->format,
3540                                 /* agid */ dvdstruct->agid,
3541                                 /* data_ptr */ databuf,
3542                                 /* dxfer_len */ length,
3543                                 /* sense_len */ SSD_FULL_SIZE,
3544                                 /* timeout */ 50000);
3545
3546         error = cdrunccb(ccb, cderror, /*cam_flags*/CAM_RETRY_SELTO,
3547                          /*sense_flags*/SF_RETRY_UA);
3548
3549         if (error != 0)
3550                 goto bailout;
3551
3552         switch(dvdstruct->format) {
3553         case DVD_STRUCT_PHYSICAL: {
3554                 struct scsi_read_dvd_struct_data_layer_desc *inlayer;
3555                 struct dvd_layer *outlayer;
3556                 struct scsi_read_dvd_struct_data_physical *phys_data;
3557
3558                 phys_data =
3559                         (struct scsi_read_dvd_struct_data_physical *)databuf;
3560                 inlayer = &phys_data->layer_desc;
3561                 outlayer = (struct dvd_layer *)&dvdstruct->data;
3562
3563                 dvdstruct->length = sizeof(*inlayer);
3564
3565                 outlayer->book_type = (inlayer->book_type_version &
3566                         RDSD_BOOK_TYPE_MASK) >> RDSD_BOOK_TYPE_SHIFT;
3567                 outlayer->book_version = (inlayer->book_type_version &
3568                         RDSD_BOOK_VERSION_MASK);
3569                 outlayer->disc_size = (inlayer->disc_size_max_rate &
3570                         RDSD_DISC_SIZE_MASK) >> RDSD_DISC_SIZE_SHIFT;
3571                 outlayer->max_rate = (inlayer->disc_size_max_rate &
3572                         RDSD_MAX_RATE_MASK);
3573                 outlayer->nlayers = (inlayer->layer_info &
3574                         RDSD_NUM_LAYERS_MASK) >> RDSD_NUM_LAYERS_SHIFT;
3575                 outlayer->track_path = (inlayer->layer_info &
3576                         RDSD_TRACK_PATH_MASK) >> RDSD_TRACK_PATH_SHIFT;
3577                 outlayer->layer_type = (inlayer->layer_info &
3578                         RDSD_LAYER_TYPE_MASK);
3579                 outlayer->linear_density = (inlayer->density &
3580                         RDSD_LIN_DENSITY_MASK) >> RDSD_LIN_DENSITY_SHIFT;
3581                 outlayer->track_density = (inlayer->density &
3582                         RDSD_TRACK_DENSITY_MASK);
3583                 outlayer->bca = (inlayer->bca & RDSD_BCA_MASK) >>
3584                         RDSD_BCA_SHIFT;
3585                 outlayer->start_sector = scsi_3btoul(inlayer->main_data_start);
3586                 outlayer->end_sector = scsi_3btoul(inlayer->main_data_end);
3587                 outlayer->end_sector_l0 =
3588                         scsi_3btoul(inlayer->end_sector_layer0);
3589                 break;
3590         }
3591         case DVD_STRUCT_COPYRIGHT: {
3592                 struct scsi_read_dvd_struct_data_copyright *copy_data;
3593
3594                 copy_data = (struct scsi_read_dvd_struct_data_copyright *)
3595                         databuf;
3596
3597                 dvdstruct->cpst = copy_data->cps_type;
3598                 dvdstruct->rmi = copy_data->region_info;
3599                 dvdstruct->length = 0;
3600
3601                 break;
3602         }
3603         default:
3604                 /*
3605                  * Tell the user what the overall length is, no matter
3606                  * what we can actually fit in the data buffer.
3607                  */
3608                 dvdstruct->length = length - ccb->csio.resid -
3609                         sizeof(struct scsi_read_dvd_struct_data_header);
3610
3611                 /*
3612                  * But only actually copy out the smaller of what we read
3613                  * in or what the structure can take.
3614                  */
3615                 bcopy(databuf + sizeof(struct scsi_read_dvd_struct_data_header),
3616                       dvdstruct->data,
3617                       min(sizeof(dvdstruct->data), dvdstruct->length));
3618                 break;
3619         }
3620
3621 bailout:
3622         xpt_release_ccb(ccb);
3623         cam_periph_unlock(periph);
3624
3625         if (databuf != NULL)
3626                 free(databuf, M_DEVBUF);
3627
3628         return(error);
3629 }
3630
3631 void
3632 scsi_report_key(struct ccb_scsiio *csio, u_int32_t retries,
3633                 void (*cbfcnp)(struct cam_periph *, union ccb *),
3634                 u_int8_t tag_action, u_int32_t lba, u_int8_t agid,
3635                 u_int8_t key_format, u_int8_t *data_ptr, u_int32_t dxfer_len,
3636                 u_int8_t sense_len, u_int32_t timeout)
3637 {
3638         struct scsi_report_key *scsi_cmd;
3639
3640         scsi_cmd = (struct scsi_report_key *)&csio->cdb_io.cdb_bytes;
3641         bzero(scsi_cmd, sizeof(*scsi_cmd));
3642         scsi_cmd->opcode = REPORT_KEY;
3643         scsi_ulto4b(lba, scsi_cmd->lba);
3644         scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
3645         scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
3646                 (key_format & RK_KF_KEYFORMAT_MASK);
3647
3648         cam_fill_csio(csio,
3649                       retries,
3650                       cbfcnp,
3651                       /*flags*/ (dxfer_len == 0) ? CAM_DIR_NONE : CAM_DIR_IN,
3652                       tag_action,
3653                       /*data_ptr*/ data_ptr,
3654                       /*dxfer_len*/ dxfer_len,
3655                       sense_len,
3656                       sizeof(*scsi_cmd),
3657                       timeout);
3658 }
3659
3660 void
3661 scsi_send_key(struct ccb_scsiio *csio, u_int32_t retries,
3662               void (*cbfcnp)(struct cam_periph *, union ccb *),
3663               u_int8_t tag_action, u_int8_t agid, u_int8_t key_format,
3664               u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3665               u_int32_t timeout)
3666 {
3667         struct scsi_send_key *scsi_cmd;
3668
3669         scsi_cmd = (struct scsi_send_key *)&csio->cdb_io.cdb_bytes;
3670         bzero(scsi_cmd, sizeof(*scsi_cmd));
3671         scsi_cmd->opcode = SEND_KEY;
3672
3673         scsi_ulto2b(dxfer_len, scsi_cmd->param_len);
3674         scsi_cmd->agid_keyformat = (agid << RK_KF_AGID_SHIFT) |
3675                 (key_format & RK_KF_KEYFORMAT_MASK);
3676
3677         cam_fill_csio(csio,
3678                       retries,
3679                       cbfcnp,
3680                       /*flags*/ CAM_DIR_OUT,
3681                       tag_action,
3682                       /*data_ptr*/ data_ptr,
3683                       /*dxfer_len*/ dxfer_len,
3684                       sense_len,
3685                       sizeof(*scsi_cmd),
3686                       timeout);
3687 }
3688
3689
3690 void
3691 scsi_read_dvd_structure(struct ccb_scsiio *csio, u_int32_t retries,
3692                         void (*cbfcnp)(struct cam_periph *, union ccb *),
3693                         u_int8_t tag_action, u_int32_t address,
3694                         u_int8_t layer_number, u_int8_t format, u_int8_t agid,
3695                         u_int8_t *data_ptr, u_int32_t dxfer_len,
3696                         u_int8_t sense_len, u_int32_t timeout)
3697 {
3698         struct scsi_read_dvd_structure *scsi_cmd;
3699
3700         scsi_cmd = (struct scsi_read_dvd_structure *)&csio->cdb_io.cdb_bytes;
3701         bzero(scsi_cmd, sizeof(*scsi_cmd));
3702         scsi_cmd->opcode = READ_DVD_STRUCTURE;
3703
3704         scsi_ulto4b(address, scsi_cmd->address);
3705         scsi_cmd->layer_number = layer_number;
3706         scsi_cmd->format = format;
3707         scsi_ulto2b(dxfer_len, scsi_cmd->alloc_len);
3708         /* The AGID is the top two bits of this byte */
3709         scsi_cmd->agid = agid << 6;
3710
3711         cam_fill_csio(csio,
3712                       retries,
3713                       cbfcnp,
3714                       /*flags*/ CAM_DIR_IN,
3715                       tag_action,
3716                       /*data_ptr*/ data_ptr,
3717                       /*dxfer_len*/ dxfer_len,
3718                       sense_len,
3719                       sizeof(*scsi_cmd),
3720                       timeout);
3721 }